TY - JOUR AU - A. M. Meirmanov AU - O. V. Galtsev AU - O. A. Galtseva TI - Some free boundary problems arising in rock mechanics JO - Contemporary Mathematics. Fundamental Directions PY - 2018 SP - 98 EP - 130 VL - 64 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2018_64_1_a6/ LA - ru ID - CMFD_2018_64_1_a6 ER -