00623naa#a2200193#i#450# EN\INFRA-M\bibl\106507 20260201193807.7 2308-4898 20250630b2025####ek#y0engy0150####ca RU Classification of Polyhedra in the Course Engineering Graphics for Students of Technical and Creative Specialtiese Journal article Moscow INFRA-M Academic Publishing LLC. 2025 13 с. Journal article local Геометрия. 514 Nikitina T. A. Kokorin M. S. Knyazeva E. V. naukaru.ru