TY  - JOUR
AU  - V. F. Koshchy
AU  - A. I. Ropavka
TI  - Dual methods for solving boundary value problems for systems of elliptic equations
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 861
EP  - 867
VL  - 25
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_5_a15/
LA  - ru
ID  - DE_1989_25_5_a15
ER  -