00624naa#a2200193#i#450# EN\INFRA-M\bibl\49713 /en/manage/index 20260108011949.4 2308-4898 20220414b2022####ek#y0engy0150####ca RU Point Tools of Geometric Modeling, Invariant Relating to Parallel Projection Journal article Moscow INFRA-M Academic Publishing LLC. 2022 10 с. Journal article local Математика. 51 Konopatskiy Evgeny Viktorovich Bezditnyi A. A. test.editorum.ru /en/manage/index