TY  - JOUR
AU  - S. N. Kruzhkov
AU  - S. M. Sukoryanskii
TI  - Boundary value problems for systems of equations of two-phase porous flow type; statement of the problems, questions of solvability, justification of approximate methods
JO  - Sbornik. Mathematics
PY  - 1977
SP  - 62
EP  - 80
VL  - 33
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1977_33_1_a4/
LA  - en
ID  - SM_1977_33_1_a4
ER  -