@article{1250126379,
author = {Petro, John},
title = {Great sphere fibrations of manifolds},
journal = {Rocky Mountain J. Math.},
volume = {17},
number = {4},
year = {1987},
pages = { 865-886},
language = {en},
url = {http://dml.mathdoc.fr/item/1250126379}
}
Petro, John. Great sphere fibrations of manifolds. Rocky Mountain J. Math., Tome 17 (1987) no. 4, pp. 865-886. http://gdmltest.u-ga.fr/item/1250126379/