TY - JOUR AU - A. N. Konovalov TI - Some questions that arise in the numerical solution of filtration problems for a two-phase incompressible fluid JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1973 SP - 3 EP - 23 VL - 122 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1973_122_a0/ LA - ru ID - TM_1973_122_a0 ER -