TY  - JOUR
AU  - A. S. Berdyshev
TI  - Nonlocal boundary value problems for an equation of mixed type in a domain with departure from a characteristic
JO  - Differencialʹnye uravneniâ
PY  - 1993
SP  - 2117
EP  - 2124
VL  - 29
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1993_29_12_a8/
LA  - ru
ID  - DE_1993_29_12_a8
ER  -