%0 Journal Article %A R. G. Fatkullin %T The investigation of a filtration problem in a two layered rectangular dam %J Trudy seminara po kraevym zadačam %D 1979 %P 180-184 %V 16 %N 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1979_16_16_a18/ %G ru %F KUKZ_1979_16_16_a18