@article{1077492934,
author = {Hall, D. W. and Kelley, J. L.},
title = {Periodic types of transformations},
journal = {Duke Math. J.},
volume = {8},
number = {1},
year = {1941},
pages = { 625-630},
language = {en},
url = {http://dml.mathdoc.fr/item/1077492934}
}
Hall, D. W.; Kelley, J. L. Periodic types of transformations. Duke Math. J., Tome 8 (1941) no. 1, pp. 625-630. http://gdmltest.u-ga.fr/item/1077492934/