@article{1256050737,
author = {Kallman, Robert R.},
title = {Certain quotient spaces are countably separated},
journal = {Illinois J. Math.},
volume = {19},
number = {4},
year = {1975},
pages = { 378-388},
language = {en},
url = {http://dml.mathdoc.fr/item/1256050737}
}
Kallman, Robert R. Certain quotient spaces are countably separated. Illinois J. Math., Tome 19 (1975) no. 4, pp. 378-388. http://gdmltest.u-ga.fr/item/1256050737/