Aspects relating to the reliability calculation of the cutting-teeth mounted on the bucket wheel excavators used in lignite miningOvidiu-Bogdan Tomuş, Andrei Andraş, Dumitru Jula and Stela DinescuMATEC Web Conf., 290 (2019) 01020DOI: https://doi.org/10.1051/matecconf/201929001020