Correspondence of A. V. Isachenko with A. A. Alexeev (1976–1977) Anatoly A. Alexeev DOI: doi.org/10.31912/rjano-2024.1.9 2024. № 1 (47), 251-323 Anatoly A. AlexeevSt Petersburg University(St Petersburg, Russia)alexeev.anatoly@gmail.com ISSN 1681-1062 (print) ISSN 2658-5022 (online) Search Search
