Content of CMUC 22 (1981), No.3

Bukovsk\'y L., Butkovi\v{c}ov\'a E.

Ultrafilter with $\aleph _0$ predecessors in Rudin--Frol\'{\i }k 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.

Jir\'asko J.

Notes on generalized prime and coprime modules, I. Comment.Math.Univ.Carolinae 22(1981) 467--482.

Jir\'asko 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 \v{z}e tipa. Comment.Math.Univ.Carolinae 22(1981) 497--512.

Je\v{z}ek J., Kepka T.

Semigroup representations of medial groupoids. Comment.Math.Univ.Carolinae 22(1981) 513--524.

Bana\'s 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.

W\c egrzynowski S.

Disconnected regular $s$-manifolds. Comment.Math.Univ.Carolinae 22(1981) 537--547.

Zaj\'{\i }\v{c}ek L.

On approximate Dini derivates and one-sided approximate derivatives of arbitrary functions. Comment.Math.Univ.Carolinae 22(1981) 549--560.

Ti\v{s}er 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.

H\'ajek 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 obob\v{s}\v{c}enii konstruktivnogo analoga teoremy K.M. Garga. Comment.Math.Univ.Carolinae 22(1981) 607--620.

Tka\v{c}enko M.G.

Some results on inverse spectra, I. Comment.Math.Univ.Carolinae 22(1981) 621--633.