TY  - JOUR
AU  - M. R. Khan
TI  - A nonlocal problem for the Lavrent'ev--Bitsadze equation
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 710
EP  - 711
VL  - 20
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_4_a18/
LA  - ru
ID  - DE_1984_20_4_a18
ER  -