TY  - JOUR
AU  - N. I. Popivanov
AU  - M. Schneider
TI  - A boundary value problem for the nonlinear Tricomi equation in three dimensions
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 648
EP  - 655
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_4_a10/
LA  - ru
ID  - DE_1991_27_4_a10
ER  -