Učenyj, rukovoditelʹ, drug: k 80-letiju professora A.P. Derevjanko = Scientist, manager, friend: to the 80th anniversary of professor A. P. Derevyanko - Šabelʹnikova, Natalʹja Alekseevna; Usov, Aleksej Vjačeslavovič ca. 20./21. Jh (2020)