TY  - JOUR
AU  - V. S. Vinogradov
TI  - A boundary value problem for a first order elliptic equation on the plane
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 1440
EP  - 1448
VL  - 7
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_8_a10/
LA  - ru
ID  - DE_1971_7_8_a10
ER  -