00649naa#a2200193#i#450# EN\\bibl\53843 20240517150414.5 1992-8181 20210925b2021####ek#y0engy0150####ca RUS RU Quality assessment of the modified Feisel code with an involutive quaternion matrix Journal article Novorossiysk Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University” 2021 4 с. Journal article local . 681.3.001:518.5 RUS Dukhnich E I Demischenko D A aumsu.editorum.ru