%0 Journal Article %A N. N. Verigin %A V. S. Sargsyan %T Filtration of two liquids having different densities and viscosities during injection into a gallery at a constant rate %J Doklady Akademii Nauk %D 1974 %P 536-539 %V 218 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_218_3_a9/ %G ru %F DAN_1974_218_3_a9