@article{1102912456,
author = {Boone, James R.},
title = {On $k$-quotient mappings.},
journal = {Pacific J. Math.},
volume = {55},
number = {2},
year = {1974},
pages = { 369-377},
language = {en},
url = {http://dml.mathdoc.fr/item/1102912456}
}
Boone, James R. On $k$-quotient mappings.. Pacific J. Math., Tome 55 (1974) no. 2, pp. 369-377. http://gdmltest.u-ga.fr/item/1102912456/