%0 Journal Article %A V. M. Entov %T Some problems of mathematical theory of nonlinear filtration %J Zapiski Nauchnykh Seminarov POMI %D 1980 %P 30-38 %V 96 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1980_96_a4/ %G ru %F ZNSL_1980_96_a4