00473naa#a2200145#i#4500001001500000005001700015100004100032102000700073200012600080210004700206215001000253608002700263700000600290856003100296EN\\bibl\9262420250504231652.7##a20241224b2024####ek#y0engy0150####ca##aRU1#aMEMORABLE AND COMMEMORATIVE DATES FOR THE 90TH ANNIVERSARY OF HIS BIRTH PROFESSOR IVAN IVANOVICH KUPTSOVeJournal article1#aRyazancAcademy of the FPS of Russiad2024##a3 с.##aJournal article2local#1g 4#azhurnal-vektor.editorum.ru