@article{1250130710,
author = {Siwiec, Frank},
title = {Generalizations of the first axiom of countability},
journal = {Rocky Mountain J. Math.},
volume = {5},
number = {4},
year = {1975},
pages = { 1-60},
language = {en},
url = {http://dml.mathdoc.fr/item/1250130710}
}
Siwiec, Frank. Generalizations of the first axiom of countability. Rocky Mountain J. Math., Tome 5 (1975) no. 4, pp. 1-60. http://gdmltest.u-ga.fr/item/1250130710/