00471naa#a2200157#i#450# EN\\bibl\50463 20260323033638.1 2072-2427 20201228b2020####ek#y0engy0150####ca RUS RU Professor Vadim Donatovich Filimonov: to the 90th anniversary of his birth Journal article Ryazan Academy of the FPS of Russia 2020 2 с. Journal article local zhurnal-vektor.editorum.ru