20 Group theory and generalizations

Baayen P.C., Hedrlín Z.: On the product and sum of a system of transformation semigroups. 4:1 (1963), pp. 29 -- 42.
Bečvář J.: $K$-essential subgroups of Abelian groups, I. 17:3 (1976), pp. 481 -- 492.
Bečvář J.: $K$-essential subgroups of Abelian groups, II. 17:4 (1976), pp. 693 -- 707.
Bečvář J.: $K$-essential subgroups of Abelian groups, III. 18:1 (1977), pp. 11 -- 18.
Bečvář J.: A note on $H$-high subgroups of Abelian groups. 25:1 (1984), pp. 55 -- 59.
Bečvář J., Jambor P.: On general concept of basic subgroups, II. 14:3 (1973), pp. 471 -- 491.
Benabdallah K., Bradley R.: Sur les groupes quasi-purs-projectifs sans torsion. 18:1 (1977), pp. 93 -- 100.
Beran L.: A note on Chehata's groups. 7:1 (1966), pp. 117 -- 121.
Bican L.: On isomorphism of quasi-isomorphic torsion free Abelian groups. 9:1 (1968), pp. 109 -- 119.
Bican L.: Factor-splitting Abelian groups of rank two. 11:1 (1970), pp. 1 -- 8.
Bican L.: Splitting of pure subgroups. 17:2 (1976), pp. 241 -- 249.
Bican L.: Factor-splitting Abelian groups of finite rank. 17:3 (1976), pp. 473 -- 480.
Bican L.: Factor-splitting Abelian groups of arbitrary rank. 19:4 (1978), pp. 653 -- 672.
Bican L.: A splitting criterion for Abelian groups. 19:4 (1978), pp. 763 -- 774.
Bican L.: Pure subgroups split. 20:2 (1979), pp. 283 -- 292.
Bican L.: Purely finitely generated Abelian groups. 21:2 (1980), pp. 209 -- 218.
Bican L.: A note on the splitting length of a finite direct sum of mixed Abelian groups of rank one. 21:4 (1980), pp. 739 -- 747.
Bican L.: A note on factor-splitting Abelian groups of rank two. 22:3 (1981), pp. 569 -- 578.
Bican L.: On a class of locally Butler groups. 32:4 (1991), pp. 597 -- 600.
Bican L., Hora J.: On a class of locally completely decomposable Abelian groups. 27:2 (1986), pp. 307 -- 323.
Drápal A.: On a class of commutative groupoids determined by their associativity triples. 34:2 (1993), pp. 199 -- 201.
Drápal A., Kepka T.: A note on the number of associative triples in quasigroups isotopic to groups. 22:4 (1981), pp. 735 -- 743.
Drápal A., Kepka T.: Parity of orthogonal automorphisms. 28:2 (1987), pp. 251 -- 259.
Drápal A., Kepka T.: Parity of orthogonal permutations. 28:3 (1987), pp. 427 -- 432.
Drápal A., Kepka T., Musílek M.: Group conjugation has non-trivial LD-identities. 35:2 (1994), pp. 219 -- 222.
Drbohlav K.: Concerning congruence relations on commutative semigroups. 4:1 (1963), pp. 11 -- 13.
Drbohlav K.: On finitely generated commutative semigroups. 4:3 (1963), pp. 87 -- 92.
Drbohlav K.: Remarks on tolerance semigroups. 21:3 (1980), pp. 447 -- 456.
El Bashir R., Drápal A.: Quasitrivial left distributive groupoids. 35:4 (1994), pp. 597 -- 606.
Gallina G.: On a class of Moufang loops. 23:2 (1982), pp. 319 -- 324.
Gardner B.J.: Two notes on radicals of Abelian groups. 13:3 (1972), pp. 419 -- 430.
Gardner B.J.: Generalized-pure-hereditary radical classes of Abelian groups. 14:2 (1973), pp. 187 -- 195.
Gardner B.J.: Rings on completely decomposable torsion-free Abelian groups. 15:3 (1974), pp. 381 -- 392.
Gardner B.J., Jackett D.R.: Rings on certain classes of torsion-free Abelian groups. 17:3 (1976), pp. 493 -- 506.
Giovannitti A., Goeters H.P., Metelli C.: Cobalanced exact sequences. 30:4 (1989), pp. 637 -- 641.
Göbel R., Goldsmith B.: Cotorsion-free algebras as endomorphism algebras in $L$ --- the discrete and topological cases. 34:1 (1993), pp. 1 -- 9.
Goeters H.P., Ullery W.: Butler groups and lattices of types. 31:4 (1990), pp. 613 -- 619.
Goralčík P.: One remarkable property of the bicyclic semigroup. 12:3 (1971), pp. 503 -- 518.
Havel V.: Nets and groupoids. 8:3 (1967), pp. 435 -- 451.
Havel V.: Ternary halfgroupoids and coordinatization. 8:4 (1967), pp. 569 -- 580.
Havel V.: Nets and groupoids, II. 9:1 (1968), pp. 87 -- 93.
Havel V.: Configuration conditions of small point rank in $3$-nets. 26:2 (1985), pp. 327 -- 335.
Hedrlín Z.: Remark on partial mappings. 4:3 (1963), pp. 93 -- 97.
Hedrlín Z.: On a number of commuting transformations. 4:3 (1963), pp. 132 -- 136.
Holgate P.: Plenary stable quasigroups. 32:1 (1991), pp. 1 -- 7.
Jackett D.R.: The nil-degree of a torsion-free Abelian group. 21:2 (1980), pp. 393 -- 406.
Jambor P., Bečvář J.: On general concept of basic subgroups. 13:4 (1972), pp. 745 -- 761.
Ježek J.: Normal subsets of quasigroups. 16:1 (1975), pp. 77 -- 85.
Ježek J., Kepka T.: Quasigroups, isotopic to a group. 16:1 (1975), pp. 59 -- 76.
Ježek J., Kepka T.: Semigroup representations of commutative idempotent Abelian groupoids. 16:3 (1975), pp. 487 -- 500.
Ježek J., Kepka T.: Free entropic groupoids. 22:2 (1981), pp. 223 -- 233.
Kastl J.: Die $K$-abgeschlossenen Teilmengen der Halbgruppen. 17:1 (1976), pp. 135 -- 146.
Kastl J., Tichý T.: Die Darstellung von partiellen $K$-stelligen Operationen. 17:1 (1976), pp. 167 -- 178.
Kepka T.: The totally simple quasigroups. 13:3 (1972), pp. 577 -- 582.
Kepka T.: A note on compatible reflexive relations on quasigroups. 13:3 (1972), pp. 593 -- 598.
Kepka T.: Structure of triabelian quasigroups. 17:2 (1976), pp. 229 -- 240.
Kepka T.: Distributive Steiner quasigroups of order $3^5$. 19:2 (1978), pp. 389 -- 401.
Kepka T.: Notes on quasimodules. 20:2 (1979), pp. 229 -- 247.
Kepka T.: Commutative Moufang loops and distributive Steiner quasigroups nilpotent of class $3$. 21:2 (1980), pp. 355 -- 370.
Kepka T.: A note on associative triples of elements in cancellation groupoids. 21:3 (1980), pp. 479 -- 487.
Kepka T.: A note on the number of associative triples in finite commutative Moufang loops. 22:4 (1981), pp. 745 -- 753.
Kepka T.: Distributive groupoids and preradicals, I. 24:1 (1983), pp. 183 -- 197.
Kepka T.: Distributive groupoids and preradicals, II. 24:2 (1983), pp. 199 -- 209.
Kepka T.: A construction of Bruck loops. 25:4 (1984), pp. 591 -- 595.
Kepka T.: A construction of commutative Moufang loops and quasimodules. 27:3 (1986), pp. 499 -- 518.
Kepka T.: m-medial n-quasigroups. 32:1 (1991), pp. 9 -- 14.
Kepka T.: Non-idempotent left symmetric left distributive groupoids. 35:1 (1994), pp. 181 -- 186.
Kepka T.: Ideals in selfdistributive groupoids. 35:1 (1994), pp. 187 -- 191.
Kepka T., Kratochvíl J.: Graphs and associative triples in quasitrivial groupoids. 25:4 (1984), pp. 679 -- 687.
Kepka T., Němec P.: Quasimodules generated by three elements. 20:2 (1979), pp. 249 -- 266.
Kepka T., Němec P.: Trilinear constructions of quasimodules. 21:2 (1980), pp. 341 -- 354.
Kepka T., Němec P.: Torsion quasimodules. 25:4 (1984), pp. 699 -- 717.
Kepka T., Ščukin K.K.: Simple quasigroups whose inner permutations commute. 34:2 (1993), pp. 223 -- 227.
Klouda J.: Eine Bemerkung über ausgezeichnete Kongruenzrelationen der Brandtschen Gruppoiden. 16:2 (1975), pp. 277 -- 291.
Klouda J.: Ternary rings associated to translation plane. 18:1 (1977), pp. 169 -- 181.
Koubek V., Rödl V.: Note on the number of monoids of order $n$. 26:2 (1985), pp. 309 -- 314.
Kříž I.: Iterated countable products and sums of the infinite cyclic group. 27:3 (1986), pp. 491 -- 497.
Luedeman J.K.: Closure operations and semigroups of quotients. 20:3 (1979), pp. 529 -- 537.
Luedeman J.K., McMorris F.R., Sim S.-K.: Semigroups for which every totally irreducible $S$-system is injective. 19:1 (1978), pp. 27 -- 35.
Megibben Ch.K.: Separable mixed groups. 21:4 (1980), pp. 755 -- 768.
Metelli C.: On direct sums of $\Cal B^{(1)}$-groups. 34:3 (1993), pp. 587 -- 591.
Münzová M.: Transformations determining uniquely a monoid. 11:4 (1970), pp. 595 -- 618.
Münzová M.: Transformations determining uniquely a monoid, II. 15:2 (1974), pp. 311 -- 333.
Münzová--Demlová M.: Transformations determining uniquely a monoid, III. Weak determinancy. 16:3 (1975), pp. 549 -- 566.
Münzová--Demlová M.: Transformations determining uniquely a monoid, IV. Weak determinancy. 16:4 (1975), pp. 603 -- 619.
Mutio N.J.: Complete metacyclic groups. 16:3 (1975), pp. 541 -- 547.
Němec P.: Arithmetical forms of quasigroups. 29:2 (1988), pp. 295 -- 302.
Němec P.: Commutative Moufang loops corresponding to linear quasigroups. 29:2 (1988), pp. 303 -- 308.
Nešetřil J.: Every group is a maximal subgroup of the semigroup of relations. 12:1 (1971), pp. 19 -- 21.
O'Neill J.D.: On summands of direct products of Abelian groups. 24:3 (1983), pp. 407 -- 413.
Phillips J.D., Smith J.D.H.: The endocenter and its applications to quasigroup representation theory. 32:3 (1991), pp. 417 -- 422.
Procházka L.: Note on quasi-isomorphism of torsion free Abelian groups of finite rank. 3:1 (1962), pp. 18 -- 19.
Procházka L.: A generalization of a theorem of R. Baer. 4:3 (1963), pp. 105 -- 108.
Procházka L.: A note on quasi-splitting of Abelian groups. 7:2 (1966), pp. 227 -- 235.
Procházka L.: Rasširenija rasščepljaemych grupp pri pomošči polnych primarnych grupp. 7:4 (1966), pp. 429 -- 445.
Procházka L.: Prjamyje summy grupp tipa $\Cal P^+$. 8:1 (1967), pp. 85 -- 114.
Procházka L.: A note on completely decomposable torsion free Abelian groups. 10:1 (1969), pp. 141 -- 161.
Procházka L.: A note on free Abelian groups. 10:4 (1969), pp. 567 -- 569.
Procházka L.: Concerning almost divisible torsion free Abelian groups. 12:1 (1971), pp. 23 -- 31.
Procházka L.: A consequence of a theorem of L. Fuchs. 13:1 (1972), pp. 177 -- 179.
Procházka L.: Tensor product and quasi-splitting of Abelian groups. 21:1 (1980), pp. 55 -- 69.
Procházka L.: A note on $p$-adic completion of torsion free Abelian groups. 21:4 (1980), pp. 795 -- 803.
Rangaswamy K.M.: A property of $B_2$-groups. 35:4 (1994), pp. 627 -- 631.
Riečan B.: The measure extension theorem for subadditive probability measures in orthomodular $\sigma $-continuous lattices. 20:2 (1979), pp. 309 -- 316.
Saade M.: On some classes of point algebras. 12:1 (1971), pp. 33 -- 36.
Scapellato R.: On a class of distributive Steiner quasigroups. 23:2 (1982), pp. 313 -- 317.
Ščukin K.K.: A note on simple medial quasigroups. 34:2 (1993), pp. 221 -- 222.
Stratton A.E., Webb M.C.: The nilpotency of torsion-free rings with given type set. 18:3 (1977), pp. 437 -- 444.
Strecker R.: Construction of medial semigroups. 25:4 (1984), pp. 689 -- 697.
Sullivan R.P.: Ideals in transformation semigroups. 19:3 (1978), pp. 431 -- 446.
Tichý T., Vinárek J.: On the algebraic characterization of systems of 1--1 partial mappings. 13:4 (1972), pp. 711 -- 720.
Ullery W.: A direct factor theorem for commutative group algebras. 33:3 (1992), pp. 383 -- 387.