TY  - JOUR
AU  - O. Ya. Viro
TI  - Nonprojecting isotopies and knots with homeomorphic coverings
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1976
SP  - 133
EP  - 147
VL  - 66
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1976_66_a3/
LA  - ru
ID  - ZNSL_1976_66_a3
ER  -