00636naa#a2200205#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200009000126210005100216215001000267608002700277675003400304700002100338700003200359856003900391EN\INFRA-M\bibl\24587/en/manage/index20241112041704.2##a2308-4898##a20181225b2018####ek#y0engy0150####ca0#aRUS##aRU1#aCompetence Approach in Teaching the Topic "Tangent Plane and Normal"eJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2018##a7 с.##aJournal article2local##aМатематика. 51zRUS#1aDmitrievagI. M.#1aIvanovgGennadiy Sergeevich4#atest.editorum.ruu/en/manage/index