(. - ) [. 5 (18). 5. 1906, . , ], . 1940. (1958-65). 1930 . . . 1941-45. 1957-64 " " (" "). 1929. " " (1931), " " (1932), " " (1958), ", " (1966) . , " " (1958) . . . (1938-42, 1946-54). 5 , .

.: , , 1973; . .- , ., 1969; , ., 1976.

.: , ., 1970, . 491-502.


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