Ссылка для цитирования (ENG)
Keksin Aleksandr Igorevich , Filipenko I. A. Oil and gas sector products cold working process Topical Issues of Rational Use of Natural Resources 2019 - Litvinenko (Ed). 2020. №1. pp. 400-405. https://books.google.ru/books?hl=ru&lr=&id=l-u9DwAAQBAJ&oi=fnd&pg=PA400&ots=gwdymupnQM&sig=U-yUyyZZHWokRAZZ5gGBstSiyh8&redir_esc=y#v=onepage&q&f=false