1973/45/2

Convolution of singular measures

On subspaces of Orlicz sequences spaces

Differentiable mappings on topological vector spaces

Optimal control by means switchings

On the existence of fundamental and total founded biorthogonal systems in Banach spaces

Sur les rapports de convexité des topologies et bornologies dans les espaces nucléaires

Factorization of compact operators and applications to the approximation problem