00615naa#a2200181#i#450# EN\INFRA-M\bibl\48092 20260206110334.5 2500-0489 20211228b2021####ek#y0engy0150####ca RU Three-dimensional models for product design based on algebraic fractals Journal article Moscow INFRA-M Academic Publishing LLC. 2021 3 с. Journal article local Общие вопросы математических и естественных наук. 50 Boykov A. A. Gudaev I. I. naukaru.ru