TY  - JOUR
AU  - M. I. Vishik
TI  - Boundary-value problems for quasilinear strongly elliptic systems of equations having divergence form
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 518
EP  - 521
VL  - 138
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_138_3_a5/
LA  - ru
ID  - DAN_1961_138_3_a5
ER  -