1957/44/3

On the Weierstrass-Stone approximation theorem

On the limiting probability distribution on a compact topological group

On the relations between Smith operations and Steenrod powers

Contribution to the theory of Saks spaces

On the method of category in analytic manifolds

On the extension of equalities in connected topological groups

On the existence of free subgroups in topological groups

Some problems of definability in the lower predicate calculus

Note on rings in which every proper left-ideal is cyclic