%0 Journal Article
%A S. S. Alekseev
%A O. A. Zadvornov
%T Existence of solutions of filtration problems with multi-valued law in nonhomogeneous media in the presence of a point source
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
%D 2011
%P 168-179
%V 153
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZKU_2011_153_1_a13/
%G ru
%F UZKU_2011_153_1_a13