@article{1077379952, author = {Hemmingsen, Erik and Reddy, William}, title = {Montgomery-Samelson coverings on manifolds}, journal = {Duke Math. J.}, volume = {38}, number = {1}, year = {1971}, pages = { 635-640}, language = {en}, url = {http://dml.mathdoc.fr/item/1077379952} }
Hemmingsen, Erik; Reddy, William. Montgomery-Samelson coverings on manifolds. Duke Math. J., Tome 38 (1971) no. 1, pp. 635-640. http://gdmltest.u-ga.fr/item/1077379952/