TY - JOUR AU - I. B. Badriev TI - Difference schemes for nonlinear problems of filtration theory with a~discontinuous law JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1983 SP - 3 EP - 12 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1983_5_a0/ LA - ru ID - IVM_1983_5_a0 ER -