TY - JOUR AU - N. N. Verigin AU - V. S. Sargsyan TI - Filtration of two liquids having different densities and viscosities during injection into a gallery at a constant rate JO - Doklady Akademii Nauk PY - 1974 SP - 536 EP - 539 VL - 218 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_218_3_a9/ LA - ru ID - DAN_1974_218_3_a9 ER -