TY - JOUR AU - M. M. Karchevskii AU - A. D. Lyashko AU - M. F. Pavlova TI - Difference schemes for an equation of non-steady-state nonlinear filtration JO - Differencialʹnye uravneniâ PY - 1979 SP - 1692 EP - 1706 VL - 15 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_9_a17/ LA - ru ID - DE_1979_15_9_a17 ER -