Content of CMUC 13 (1972), No.4

Pultr A.
Extending tensor products to structures of closed categories. Comment.Math.Univ.Carolinae 13(1972) 599--616.
Reinermann J.
Fixed point theorems for generalized contractions. Comment.Math.Univ.Carolinae 13(1972) 617--627.
Burian K.
Affine $H$-structures. Comment.Math.Univ.Carolinae 13(1972) 629--635.
Howard J.
Unconditionally converging operators in locally convex Hausdorff spaces. Comment.Math.Univ.Carolinae 13(1972) 637--641.
Kůrka P.
The Heyting doctrines. Comment.Math.Univ.Carolinae 13(1972) 643--657.
Cerha J.
A note on Volterra integral equations with degenerate kernel. Comment.Math.Univ.Carolinae 13(1972) 659--672.
Howard J.
A generalization of reflexive Banach spaces and weakly compact operators. Comment.Math.Univ.Carolinae 13(1972) 673--684.
Pachl J.
On projective limits of probability spaces. Comment.Math.Univ.Carolinae 13(1972) 685--691.
Pavelka J.
Tensor products in the category of convergence spaces. Comment.Math.Univ.Carolinae 13(1972) 693--709.
Tichý T., Vinárek J.
On the algebraic characterization of systems of 1--1 partial mappings. Comment.Math.Univ.Carolinae 13(1972) 711--720.
Studnička I.
Non-existence of cartesian groups of order $2p^m$. Comment.Math.Univ.Carolinae 13(1972) 721--725.
Černjavskaja I.A.
Ob analoge odnoj ocenočnoj teoremy N.V. Efimova dlja poverchnostej elliptičeskogo prostranstva. Comment.Math.Univ.Carolinae 13(1972) 727--743.
Jambor P., Bečvář J.
On general concept of basic subgroups. Comment.Math.Univ.Carolinae 13(1972) 745--761.
Novák B.
On a certain sum in number theory, III. Comment.Math.Univ.Carolinae 13(1972) 763--775.
Katětov M.
On information in categories. Comment.Math.Univ.Carolinae 13(1972) 777--781.
Hušek M.
Products as reflections. Comment.Math.Univ.Carolinae 13(1972) 783--800.
Müller V., Nešetřil J., Pelant J.
Either tournaments or algebras?. Comment.Math.Univ.Carolinae 13(1972) 801--807.
Trnková V.
A note on product of topological spaces. Comment.Math.Univ.Carolinae 13(1972) 809--809.