[p.21 XI (3 XI [) 1898, ] - . . . (1968) . (1958). . E. P. , . . . -, . . , . . . 20- . . , 30-40- . . , . . ¸ , . , . , , . , . , , . . - ., ., ., , , . . . , . ( . ), . . .
.: - (1930, . . -), (1938), (1942), (1948, .-. , -), (1958, ), (1959, . ), (1964), - - (1927); - (1951, . ), (. . . , 1959, .-. , -); - (1947), (1954); . - 20 (1929-1973, . . 3-, , . ., , 1932; 4-, , 1933, 2- ., 1965; 15-, . ., 1962; 17- - , , 1970; 18-, , 1971; 20-, . ., 1972), 3 . . (1934, 1944, 1972), . - (1940), (1942), (1958), (1960), . - . (1934, 1935, 1951), . (1939, 1940), . (1958), . (1948, 1956), - (1927), 1- (1935), (1948-73), (1946), (1948), - (1943), 25 (1944), (1963); . - . (1944, 1965, 1967), . (1962, 1972), (1966), (1967), (1969), (1967), . (1963); -. - 3 . (1942, 1965, 1973), 2 . (1962, 1965); ., . () , , , . . . .

(: , 1973-1982)
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() <14v>