@article{1029002211,
author = {Stein, Elliott},
title = {Free actions on products of spheres.},
journal = {Michigan Math. J.},
volume = {26},
number = {1},
year = {1979},
pages = { 187-193},
language = {en},
url = {http://dml.mathdoc.fr/item/1029002211}
}
Stein, Elliott. Free actions on products of spheres.. Michigan Math. J., Tome 26 (1979) no. 1, pp. 187-193. http://gdmltest.u-ga.fr/item/1029002211/