1964-1965/25/3

Another characterization of Hilbert spaces

Summability in ${\displaystyle ł(p_1,p_2,...)}$ spaces

On the theory of (ℱ)-sequences

Базисные последовательности, биортогональные системы и нормирующие множества в пространствах Банаха и Фреше

On w*-sequential convergence, type P* bases, and reflexivity

On sequences of continuous functions and convolution

Sur les suites faiblement convergentes dans l'espace L

On the convergence of superpositions of a sequence of operators

Concerning function algebras

A remark on a theorem of Banach

On generalized derivatives

On linear processes of approximation (III)

Two examples in the theory of topological linear spaces