41
Published: 1987
42
Published: 1963-1963
43
Published: 1959-1980
44
Published: 1978-
45
Published: 1960-
46
Published: 1974-
47
Published: 1976-1979
48
Published: 1961-1979
49
Published: 1968-1980
50
Published: 1964-1981
51
Published: 1964-1988
52
Published: 1971-1971
53
Published: 1976-1979
54
Published: 1985-
55
Published: 1966-1966
56
Published: 1954-1956;, 1954-1958
57
Published: 1970-1975
58
Other Authors:
“...Tartuskij Gosudarstvennyj Universitet...”
59
Published: 1982-
60
Published: 1980-1990