Content of CMUC 17 (1976), No.4

Nieminen J.
On normality relation and its generalization on lattices. Comment.Math.Univ.Carolinae 17(1976) 615--631.
Demuth O.
Ob oblastjach opredelenija effektivnych operatorov nad obščerekursivnymi funkcijami i konstruktivnych funkcij dejstvitel'noj peremennoj. Comment.Math.Univ.Carolinae 17(1976) 633--646.
Čuda K.
A nonstandard set theory. Comment.Math.Univ.Carolinae 17(1976) 647--663.
Haslinger J.
A note on a dual finite element method. Comment.Math.Univ.Carolinae 17(1976) 665--673.
Nešetřil J., Rödl V.
Van der Waerden theorem for sequences of integers not containing an arithmetic progression of $k$ terms. Comment.Math.Univ.Carolinae 17(1976) 675--681.
Lukeš J., Zajíček L.
Fine topologies as examples of non-Blumberg Baire spaces. Comment.Math.Univ.Carolinae 17(1976) 683--688.
Zemánek J.
Concerning spectral characterizations of the radical in Banach algebras. Comment.Math.Univ.Carolinae 17(1976) 689--691.
Bečvář J.
$K$-essential subgroups of Abelian groups, II. Comment.Math.Univ.Carolinae 17(1976) 693--707.
Müller V.
Probabilistic reconstruction from subgraphs. Comment.Math.Univ.Carolinae 17(1976) 709--719.
Fučík S.
Remarks on some nonlinear boundary value problems. Comment.Math.Univ.Carolinae 17(1976) 721--730.
Kaufman R.
A nonlinear operator in potential theory. Comment.Math.Univ.Carolinae 17(1976) 731--735.
Arhangel'skii A.V.
On compact spaces which are unions of certain collections of subspaces of special type. Comment.Math.Univ.Carolinae 17(1976) 737--753.
Filipec P.
On convergence of the Fourier series of a constructive function of weakly bounded variation. Comment.Math.Univ.Carolinae 17(1976) 755--769.
Schöneberg R.
On the structure of fixed point sets of pseudo-contractive mappings. Comment.Math.Univ.Carolinae 17(1976) 771--777.
Malychin V.I.
Ob odnoj zadače E. Čecha. Comment.Math.Univ.Carolinae 17(1976) 779--790.
Erdös P., Preiss D.
Decomposition of spheres in Hilbert spaces. Comment.Math.Univ.Carolinae 17(1976) 791--795.
Katětov M.
Quasi-entropy of finite weighted metric spaces. Comment.Math.Univ.Carolinae 17(1976) 797--806.
Hahn S.
Ein Homotopieerweiterungssatz für kompakte Vektorfelder in topologischen Vektorräumen. Comment.Math.Univ.Carolinae 17(1976) 807--811.
Schöneberg R.
Errata to my paper "Some fixed point theorems for mappings satisfying Frum--Kretkov conditions" (CMUC 17:2 (1976), pp. 399 -- 411). Comment.Math.Univ.Carolinae 17(1976) 812--812.