EVOLUTION OF THE SURFACE LAYER IN R6M5 HIGH SPEED STEEL AFTER ELECTROLYTIC-PLASMA NITRIDING. Journal of open systems evolution problems, [S. l.], v. 16, n. 1, p. 20–28, 2021. Disponível em: https://peos.kaznu.kz/index.php/peos/article/view/221. Acesso em: 13 jul. 2026.