%0 Journal Article
%A S. N. Kruzhkov
%A S. M. Sukoryanskii
%T Boundary value problems for systems of equations of two-phase porous flow type; statement of the problems, questions of solvability, justification of approximate methods
%J Sbornik. Mathematics
%D 1977
%P 62-80
%V 33
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1977_33_1_a4/
%G en
%F SM_1977_33_1_a4