@inproceedings{sgem2020s03021, title = {MATHEMATICAL MODELING A STOCHASTIC VARIATION OF ROCK PROPERTIES AT AN EXCAVATION DESIGN}, author = {Olena Sdvyzhkova and Dmytro Babets and Serik Moldabayev and Kanay Rysbekov and Madiyar Sarybayev}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining}, year = {2020}, pages = {165-172}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2020/1.2/s03.021} }