@article{GDZPPN002412667,
title = {The Non-Simplicity of Certain Categories of Topological Spaces.},
journal = {Mathematische Zeitschrift},
volume = {135},
year = {1973},
pages = {357-360},
zbl = {0257.54014},
url = {http://dml.mathdoc.fr/item/GDZPPN002412667}
}
Hajek, Darrell W.; Wilson, Richard G. The Non-Simplicity of Certain Categories of Topological Spaces.. Mathematische Zeitschrift, Tome 135 (1973) pp. 357-360. http://gdmltest.u-ga.fr/item/GDZPPN002412667/