@article{1077309722,
author = {Braun, Louis J.},
title = {On the structure of fibrations},
journal = {Duke Math. J.},
volume = {40},
number = {1},
year = {1973},
pages = { 371-392},
language = {en},
url = {http://dml.mathdoc.fr/item/1077309722}
}
Braun, Louis J. On the structure of fibrations. Duke Math. J., Tome 40 (1973) no. 1, pp. 371-392. http://gdmltest.u-ga.fr/item/1077309722/