Geomechanical Assessment of the Effect of Inhomogeneities on the Propagation of Hydrofractures in Coal SeamsMikhail Baev, Veniamin Khyamyalyaynen and Aleksandr ShevtsovE3S Web Conf., 105 (2019) 01046DOI: https://doi.org/10.1051/e3sconf/201910501046