For citations:

Nuikina E.Yu. “P.P. Smirnov ventures in his work, his scientific research; he never retreats when faced with the difficulties of controversial phenomena and attempts to resolve them”. Review of the book by N.A. Komochev and A.A. Karandeeva “Professor P.P. Smirnov at the Institute for History and Archives, 1930–1940. Documentary chroni. History and Archives. 2023;5(4):166-175. (In Russ.) https://doi.org/10.28995/2658-6541-2023-5-4-166-175