TY  - JOUR
AU  - I. A. Bikchantaev
TI  - Differential boundary value problems for first-order elliptic systems on Riemann surfaces
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 1725
EP  - 1736
VL  - 23
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_10_a8/
LA  - ru
ID  - DE_1987_23_10_a8
ER  -