TY  - JOUR
AU  - N. I. Popivanov
TI  - A multidimensional analogue of the Darboux problem for degenerate hyperbolic equations
JO  - Differencialʹnye uravneniâ
PY  - 1978
SP  - 80
EP  - 93
VL  - 14
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1978_14_1_a8/
LA  - ru
ID  - DE_1978_14_1_a8
ER  -