TY  - JOUR
AU  - G. N. Yakovlev
TI  - Weak solutions of second order quasilinear elliptic systems
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 157
EP  - 163
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_1_a15/
LA  - ru
ID  - DE_1970_6_1_a15
ER  -