TY  - JOUR
AU  - S. M. Gusein-Zade
TI  - Index of a singular point of a vector field or of a $1$-form on an orbifold
JO  - Algebra i analiz
PY  - 2021
SP  - 73
EP  - 84
VL  - 33
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2021_33_3_a3/
LA  - ru
ID  - AA_2021_33_3_a3
ER  -