@article{GDZPPN002088819,
title = {Diffeotopically Trivial Periodic Diffeomorphisms.},
journal = {Inventiones mathematicae},
volume = {11},
year = {1970},
pages = {340-348},
zbl = {0214.22902},
url = {http://dml.mathdoc.fr/item/GDZPPN002088819}
}
Giffen, Ch.H. Diffeotopically Trivial Periodic Diffeomorphisms.. Inventiones mathematicae, Tome 11 (1970) pp. 340-348. http://gdmltest.u-ga.fr/item/GDZPPN002088819/