1973/48/2

Some Mazur-Orlicz-Brudno like theorems

Topological algebras of continuous functions over valued fields

Algebraic theory of right invertible operators

Nonlinear integral operators on C(S,E)

On contradictions of normed vector spaces

Some examples in harmonic analysis

On commutative approximate identities and cyclic vectors of induced representations

Harmonische Analyse auf gewissen nilpotenten Lieschen Gruppen