1. Banach S. Théorie des opérations linéaires, Chelsed 1955.
2. Factorable bounded operators and Schwartz spaces;Bellenot;Proc. amer, Math. Soc.,1974
3. The Schwartz-Hilbert variety;Bellenot;Michigan Math. J.,1975
4. On the embedding of nuclear space of infinitely differentialie functions on the line;Bessaga;Dokl. Akad. Nank. USSR,1966
5. On diametral approximative dimension and linear homogeneity of F-spaces;Bessaga;Bull. Acad. Polon. Sci.,1961