@article{bwmeta1.element.bwnjournal-article-fmv28i1p17bwm,
author = {Lucille Whyburn},
title = {Rotation groups about a set of fixed points},
journal = {Fundamenta Mathematicae},
volume = {28},
year = {1937},
pages = {124-130},
zbl = {0015.41803},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv28i1p17bwm}
}
Whyburn, Lucille. Rotation groups about a set of fixed points. Fundamenta Mathematicae, Tome 28 (1937) pp. 124-130. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv28i1p17bwm/