00653naa#a2200193#i#4500001002200000003001700022005001700039011001400056100004100070102000700111200007500118210005100193215001000244608002700254675010000281700001700381700002200398856003900420EN\INFRA-M\bibl\41229/en/manage/index20240924032846.2##a2500-0489##a20210125b2021####ek#y0engy0150####ca##aRU1#aAnalogues of hyperboloids in four–dimensional spaceeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2021##a3 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50#1aVavanovgD. #1aIvaschenkogA. V.4#atest.editorum.ruu/en/manage/index