@article{1102817500,
author = {Hoo, C. S.},
title = {Principal and induced fibrations.},
journal = {Pacific J. Math.},
volume = {67},
number = {2},
year = {1976},
pages = { 389-400},
language = {en},
url = {http://dml.mathdoc.fr/item/1102817500}
}
Hoo, C. S. Principal and induced fibrations.. Pacific J. Math., Tome 67 (1976) no. 2, pp. 389-400. http://gdmltest.u-ga.fr/item/1102817500/