Content of CMUC 30 (1989), No.4
- Drápal A., Kepka T.
- On a distance of groups and latin squares. Comment.Math.Univ.Carolinae 30(1989) 621--626.
- Gardner B.J.
- How to make many-sorted algebras one-sorted. Comment.Math.Univ.Carolinae 30(1989) 627--635.
- Giovannitti A., Goeters H.P., Metelli C.
- Cobalanced exact sequences. Comment.Math.Univ.Carolinae 30(1989) 637--641.
- Salce L.
- On a generalization of a Prüfer--Kaplansky--Procházka theorem. Comment.Math.Univ.Carolinae 30(1989) 643--645.
- Abul-Ez M.A., Constales D.
- Basic sets of polynomials in Clifford analysis. Comment.Math.Univ.Carolinae 30(1989) 647--655.
- Avgerinos E.P., Papageorgiou N.S.
- Non-convex perturbations of evolution equations with $m$-dissipative operators in Banach spaces. Comment.Math.Univ.Carolinae 30(1989) 657--664.
- Baronti M., Papini P.L.
- Bicontractive projections in sequence spaces and a few related kinds of maps. Comment.Math.Univ.Carolinae 30(1989) 665--673.
- Barrios J.A., Betancor J.J.
- Hankel integral transforms of a new space of generalized functions of slow growth. Comment.Math.Univ.Carolinae 30(1989) 675--690.
- Grace S.R., Lalli B.S.
- Oscillation theorems for nonlinear second order differential equations with a damping term. Comment.Math.Univ.Carolinae 30(1989) 691--697.
- Płuciennik R., Yining Ye
- Differentiability of Musielak--Orlicz sequence spaces. Comment.Math.Univ.Carolinae 30(1989) 699--711.
- Kopáčková M.
- Remarks on bounded solutions of a semilinear dissipative hyperbolic equation. Comment.Math.Univ.Carolinae 30(1989) 713--719.
- Krutina M.
- A note on the relation between asymptotic rates of a flow under a function and its basis--automorphism. Comment.Math.Univ.Carolinae 30(1989) 721--726.
- Lembcke J.
- On infinitely many solutions of a semilinear elliptic eigenvalue problem. Comment.Math.Univ.Carolinae 30(1989) 727--731.
- Schmidt S.
- Representation of the Hausdorff measure of noncompactness in special Banach spaces. Comment.Math.Univ.Carolinae 30(1989) 733--735.
- Voskresenskij E.V.
- Asymptotic equivalence and homeomorphism of the families of endomorphisms and surjections of the metrizable vector fibering. Comment.Math.Univ.Carolinae 30(1989) 737--741.
- Waszak A.
- A contribution to the theory of countably modulared spaces of double sequences. Comment.Math.Univ.Carolinae 30(1989) 743--748.
- Fronček D.
- On graphs with prescribed edge neighbourhoods. Comment.Math.Univ.Carolinae 30(1989) 749--754.
- Kratochvíl J.
- Perfect codes and two-graphs. Comment.Math.Univ.Carolinae 30(1989) 755--760.
- Kratochvíl J., Matoušek J.
- NP-hardness results for intersection graphs. Comment.Math.Univ.Carolinae 30(1989) 761--773.
- Čuda K.
- On the adjunction of any semiset to the system of $Sd_V$-classes in AST. Comment.Math.Univ.Carolinae 30(1989) 775--778.
- Kučera A.
- A note on initial segments below ${Q'}$. Comment.Math.Univ.Carolinae 30(1989) 779--781.
- Błaszczyk A., Plewik S., Turek S.
- Topological multidimensional van der Waerden theorem. Comment.Math.Univ.Carolinae 30(1989) 783--787.
- Fernández M., León M. de
- Compact symplectic four dimensional manifolds not admitting polarizations. Comment.Math.Univ.Carolinae 30(1989) 789--793.
- Kôzaki M., Sumi H.
- On normal forms of Laplacian and its iterations in harmonic spaces. Comment.Math.Univ.Carolinae 30(1989) 795--802.
- Tralle A.
- On $3$-symmetric Riemannian spaces of solvable type. Comment.Math.Univ.Carolinae 30(1989) 803--810.
- Yun Ziqiu
- On a problem of J. Nagata. Comment.Math.Univ.Carolinae 30(1989) 811--815.
- Sun Shu-Hao
- Errata to the paper "On paracompact locales and metric locales". Comment.Math.Univ.Carolinae 30(1989) 817--818.