Content of CMUC 22 (1981), No.3
- Bukovský L., Butkovičová E.
- Ultrafilter with $\aleph _0$ predecessors in Rudin--Frolík order. Comment.Math.Univ.Carolinae 22(1981) 429--447.
- Poljak S., Pultr A.
- Representing graphs by means of strong and weak products. Comment.Math.Univ.Carolinae 22(1981) 449--466.
- Jirásko J.
- Notes on generalized prime and coprime modules, I. Comment.Math.Univ.Carolinae 22(1981) 467--482.
- Jirásko J.
- Notes on generalized prime and coprime modules, II. Comment.Math.Univ.Carolinae 22(1981) 483--495.
- Demuth O.
- O psevdodifferenciruemosti ravnomerno nepreryvnych konstruktivnych funkcij po funkcijam togo že tipa. Comment.Math.Univ.Carolinae 22(1981) 497--512.
- Ježek J., Kepka T.
- Semigroup representations of medial groupoids. Comment.Math.Univ.Carolinae 22(1981) 513--524.
- Banaś J., Stopka U.
- The existence and some properties of solutions of a differential equation with deviated argument. Comment.Math.Univ.Carolinae 22(1981) 525--536.
- Węgrzynowski S.
- Disconnected regular $s$-manifolds. Comment.Math.Univ.Carolinae 22(1981) 537--547.
- Zajíček L.
- On approximate Dini derivates and one-sided approximate derivatives of arbitrary functions. Comment.Math.Univ.Carolinae 22(1981) 549--560.
- Tišer J.
- On strict preponderant maxima. Comment.Math.Univ.Carolinae 22(1981) 561--567.
- Bican L.
- A note on factor-splitting Abelian groups of rank two. Comment.Math.Univ.Carolinae 22(1981) 569--578.
- Markl M.
- Regular functions over conformal quaternionic manifolds. Comment.Math.Univ.Carolinae 22(1981) 579--583.
- Hájek P.
- Completion closed algebras and models of Peano arithmetic. Comment.Math.Univ.Carolinae 22(1981) 585--594.
- Yue Chi Ming R.
- On biregural and regular rings. Comment.Math.Univ.Carolinae 22(1981) 595--606.
- Demuth O.
- Ob odnom obobščenii konstruktivnogo analoga teoremy K.M. Garga. Comment.Math.Univ.Carolinae 22(1981) 607--620.
- Tkačenko M.G.
- Some results on inverse spectra, I. Comment.Math.Univ.Carolinae 22(1981) 621--633.