TY  - JOUR
AU  - D. V. Anosov
TI  - Certain homotopies in the space of closed curves
JO  - Izvestiya. Mathematics 
PY  - 1981
SP  - 423
EP  - 453
VL  - 17
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1981_17_3_a0/
LA  - en
ID  - IM2_1981_17_3_a0
ER  -