Kaliuzhnyi V, Sytnyk S, Savchenko D, Chuchin O. Semi-hot and hot backward extrusion with expansion of an axisymmetric hollow part. Materials working by pressure [Internet]. 2023 Nov. 3 [cited 2025 Dec. 5];(1(52):10-9. Available from: http://omd.dgma.donetsk.ua/index.php/main/article/view/210