00643naa#a2200217#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200008100126210005100207215001000258608002700268675003400295700002000329700001900349700001800368856003900386EN\INFRA-M\bibl\18192/en/manage/index20250515164248.4##a2308-4898##a20170928b2017####ek#y0engy0150####ca0#aRUS##aRU1#aFour-Dimensional Space’s Hypersurface Mapping SingularityeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a7 с.##aJournal article2local##aМатематика. 51zRUS#1aLyashkovgA. A.#1aPanchukgK. L.#1aVarepogL. G.4#atest.editorum.ruu/en/manage/index