@article{GDZPPN002311208,
title = {On Cyclic Branched Coverings of Spheres.},
journal = {Mathematische Annalen},
volume = {217},
year = {1975},
pages = {289-291},
zbl = {0289.57003},
url = {http://dml.mathdoc.fr/item/GDZPPN002311208}
}
Hirsch, U.; Neumann, W.D. On Cyclic Branched Coverings of Spheres.. Mathematische Annalen, Tome 217 (1975) pp. 289-291. http://gdmltest.u-ga.fr/item/GDZPPN002311208/