TY - JOUR AU - A. Yu. Belyaev TI - Proof of Dupuit's Assumption for the Free Boundary Problem in an Inhomogeneous Porous Medium JO - Matematičeskie zametki PY - 2018 SP - 49 EP - 64 VL - 103 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2018_103_1_a4/ LA - ru ID - MZM_2018_103_1_a4 ER -