TY  - JOUR
AU  - M. V. Zenkina
TI  - An invariant of knots in thickened surfaces
JO  - Contemporary Mathematics. Fundamental Directions
PY  - 2013
SP  - 21
EP  - 32
VL  - 51
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMFD_2013_51_a1/
LA  - ru
ID  - CMFD_2013_51_a1
ER  -