%0 Journal Article %A G. E. Mistetskiy %T Nonsteady filtration in anisotropic porous materials %J Doklady Akademii Nauk %D 1983 %P 1336-1338 %V 273 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_273_6_a13/ %G ru %F DAN_1983_273_6_a13