Rheology effect determination of the heterogeneous rock massif on the stress-strain state of the breakage face geomechanical systemVadym Fomychov, Viktor Pochepov, Liudmyla Fomychova and Viktor LapkoE3S Web Conf., 60 (2018) 00015DOI: https://doi.org/10.1051/e3sconf/20186000015