TY  - JOUR
AU  - N. J. Yurchuk
TI  - A partly characteristic boundary value problem for a certain form of partial differential equations.~I
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 2258
EP  - 2267
VL  - 4
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_12_a9/
LA  - ru
ID  - DE_1968_4_12_a9
ER  -