@article{GDZPPN002397625,
title = {Homotopy Equivalences in a Principal Fibre Space.},
journal = {Mathematische Zeitschrift},
volume = {93},
year = {1966},
pages = {380-388},
zbl = {0139.16602},
url = {http://dml.mathdoc.fr/item/GDZPPN002397625}
}
Nomura, Yasutoshi. Homotopy Equivalences in a Principal Fibre Space.. Mathematische Zeitschrift, Tome 93 (1966) pp. 380-388. http://gdmltest.u-ga.fr/item/GDZPPN002397625/