TY  - JOUR
AU  - A. D. Sidorenko
TI  - A variant of the problem with a contact discontinuity for systems of three quasilinear equations
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 774
EP  - 777
VL  - 9
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_4_a28/
LA  - ru
ID  - DE_1973_9_4_a28
ER  -