1. Banach algebra techniques in operator theory, Academic Press, New York 1972.
2. [Russian Text Ignored] 2 (1976) 388–412.
3. [Russian Text Ignored] 101 (143), [Russian Text Ignored] 4 (1976) 584–609.
4. [Russian Text Ignored] 41, No. 5 (1977) 1125–1137.