TY  - JOUR
AU  - G. Dzhangibekov
TI  - Noethericity conditions and the index of some two-dimensional
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 811
EP  - 815
VL  - 319
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_319_4_a7/
LA  - ru
ID  - DAN_1991_319_4_a7
ER  -