Kalyuzhny VL, Levchenko VM, Marchuk KL, Dementeev MV. Power modes and stress-strain state during cold extrusion of a rectangular cavity in a square billet. Materials working by pressure [Internet]. 2019 Dec. 22 [cited 2025 Dec. 5];(2(49):91-7. Available from: http://omd.dgma.donetsk.ua/index.php/main/article/view/118