Bulletin de l'Académie des Sciences de l'URSS. VII. Série. Classe des Sciences Mathématiques et Naturelles. Izvestiya Akademii Nauk SSSR. Otdelenie Matematiceskich i Estestvennych Nauk. Academy of Sciences of the Union of Soviet Socialist Republics - USSR (Akademiya Nauk SSSR). Russian, French, German.

Journal

http://www.mathnet.ru/php/archive.phtml?jrnid=im&wshow=contents&option_lang=eng

Formerly: Leningrad, Bull. Ac. Sc. (6)
Continued as: Izv. Akad. Nauk SSSR, Ser. Mat.

No longer indexed. From 1928-1930 the additional title was: Classe des Sciences Physico-Mathématiques (= Otdelenie Fiziko-Matematiceskich Nauk).