Analysis of residual stress in subsurface layers after precision hard machining of forging toolsAndrej Czan, Jozef Holubjak, Igor Daniš, Juraj Martinček, Matej Mikloš, Robert Čep, Michal Hatala and Šarka MalotovaMATEC Web Conf., 157 (2018) 01005DOI: https://doi.org/10.1051/matecconf/201815701005