TY  - JOUR
AU  - M. I. Vishik
TI  - On the solvability of the first boundary value problem for nonlinear elliptic systems of differential equations
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 749
EP  - 752
VL  - 134
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_134_4_a1/
LA  - ru
ID  - DAN_1960_134_4_a1
ER  -