TY  - JOUR
AU  - N. E. Tovmasyan
TI  - Some boundary-value problems for systems of second-order equations of elliptic type on the plane
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 1275
EP  - 1278
VL  - 160
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_160_6_a13/
LA  - ru
ID  - DAN_1965_160_6_a13
ER  -