. . . . . "Two-level" . . . . . . . . "the Academy of Sciences of the USSR" . "USSR Academy of Science" . "USSR AS" . . . "Academy of Sciences of the Soviet Union" . . . . . . . "USSR" . . . . . . . . . . . . "Academician" . . . . . . . . . . . . . . . . "Academy of Sciences of USSR" . "\u0410\u041D \u0421\u0421\u0421\u0420" . "\u0410cademy of Sciences of the Soviet Union" . . "Soviet Academy of Sciences" . . "\u0410\u043A\u0430\u0434\u0435\u043C\u0438\u044F \u043D\u0430\u0443\u043A \u0421\u043E\u0432\u0435\u0442\u0441\u043A\u043E\u0433\u043E \u0421\u043E\u044E\u0437\u0430" . "USSR Academy of Sciences" . . . . "Soviet Academy" . "Academy of Sciences of the USSR" . . . "Academy of Sciences" . . "Academy of Sciences of the Soviet Union" . . . . . "Academy of Social Sciences" . . . "the USSR Academy of Sciences" . . . "\u0410\u043A\u0430\u0434\u0435\u043C\u0438\u044F \u043D\u0430\u0443\u043A \u0421\u0421\u0421\u0420" . "USSR Academy of Sciences in Moscow" . . "Soviet Academy of Science" . . . . . . . . "Academy of Science of the USSR" . . . . . . . . . . . . .