00683naa#a2200193#i#450# EN\\bibl\42308 20250311030709.2 2223-4608 20210320b2021####ek#y0engy0150####ca RU Analysis of product geometry formation at square billet stretching on profile matrix Journal article Bryansk Bryansk State Technical University 2021 3 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Larin Sergey Nikolatvich Samsonov Nikita Andreevich Platonov Valeriy Ivanovich naukaru.ru