TY  - JOUR
AU  - Ch.H. Giffen
TI  - Diffeotopically Trivial Periodic Diffeomorphisms.
JO  - Inventiones mathematicae
PY  - 1970
SP  - 340
EP  - 348
VL  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1970__11_142062/
ID  - IM_1970__11_142062
ER  -