TY  - JOUR
AU  - A. A. Novruzov
TI  - On some problems of the qualitative theory of linear and quasi-linear elliptic equations of second order
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 1053
EP  - 1056
VL  - 204
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_204_5_a6/
LA  - ru
ID  - DAN_1972_204_5_a6
ER  -