TY  - JOUR
AU  - A. A. Novruzov
AU  - I. T. Mamedov
TI  - On $R$-identity of second-order elliptic and parabolic operators
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 1314
EP  - 1317
VL  - 253
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_253_6_a6/
LA  - ru
ID  - DAN_1980_253_6_a6
ER  -