TY  - JOUR
AU  - E. R. Avakov
TI  - Theorems on estimates in the neighborhood of a~singular point of a~mapping
JO  - Matematičeskie zametki
PY  - 1990
SP  - 3
EP  - 13
VL  - 47
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1990_47_5_a0/
LA  - ru
ID  - MZM_1990_47_5_a0
ER  -