@article{GDZPPN002056569,
title = {On some separation and mapping theorems.},
journal = {Commentarii mathematici Helvetici},
volume = {29},
year = {1955},
pages = {199-214},
zbl = {0065.16604},
url = {http://dml.mathdoc.fr/item/GDZPPN002056569}
}
Bourgin, D.G. On some separation and mapping theorems.. Commentarii mathematici Helvetici, Tome 29 (1955) pp. 199-214. http://gdmltest.u-ga.fr/item/GDZPPN002056569/