Content of CMUC 11 (1970), No.1

Bican L.

Factor-splitting Abelian groups of rank two. Comment.Math.Univ.Carolinae 11(1970) 1--8.

Koman M.

On nonplanar graphs with the minimum number of vertices and a given girth. Comment.Math.Univ.Carolinae 11(1970) 9--17.

Koubek V., Reiterman J.

On the category of filters. Comment.Math.Univ.Carolinae 11(1970) 19--29.

Perlova N.G.

O beskone\v{c}no malych izgibanijach vys\v{s}ich porjadkov zamknutych rebristych poverchnostej vra\v{s}\v{c}enija. Comment.Math.Univ.Carolinae 11(1970) 31--51.

Nov\'ak B.

Mean value theorems in the theory of lattice points with weight, II. Comment.Math.Univ.Carolinae 11(1970) 53--81.

Zem\'anek J.

Nowhere dense set which is finitely open. Comment.Math.Univ.Carolinae 11(1970) 83--89.

Je\v{z}ek J.

An embedding of groupoids and monomorphisms into simple groupoids. Comment.Math.Univ.Carolinae 11(1970) 91--98.

\v{C}ih\'ak P.

On an exposed element of a set of doubly stochastic rectangular matrices. Comment.Math.Univ.Carolinae 11(1970) 99--113.

Dane\v{s} J.

Generalized concentrative mappings and their fixed points. Comment.Math.Univ.Carolinae 11(1970) 115--136.

Ka\v{c}ur J.

On existence of the weak solution for non-linear partial differential equations of elliptic type. Comment.Math.Univ.Carolinae 11(1970) 137--181.

Marek I.

An announcement concerning my preliminary communication "A class of Kreiss-type uniformly bounded systems of operators" (CMUC 10:4 (1969), pp. 641 -- 652). Comment.Math.Univ.Carolinae 11(1970) 183--183.