TY  - JOUR
AU  - N. P. Kulikov
TI  - The Riemann method for degenerating quasilinear hyperbolic equations of second order
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 566
EP  - 567
VL  - 17
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_3_a14/
LA  - ru
ID  - DE_1981_17_3_a14
ER  -