@article{bwmeta1.element.bwnjournal-article-fmv95i1p12bwm,
author = {Reinhard Schultz},
title = {Closed curves and circle homomorphisms in groups of diffeomorphisms},
journal = {Fundamenta Mathematicae},
volume = {96},
year = {1977},
pages = {141-146},
zbl = {0347.57029},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv95i1p12bwm}
}
Schultz, Reinhard. Closed curves and circle homomorphisms in groups of diffeomorphisms. Fundamenta Mathematicae, Tome 96 (1977) pp. 141-146. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv95i1p12bwm/