%0 Journal Article %A E. G. Sheshukov %T On a case of the solution of problems of nonlinear filtration with initial gradient %J Trudy seminara po kraevym zadačam %D 1980 %P 248-254 %V 17 %N 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a22/ %G ru %F KUKZ_1980_17_17_a22