@article{bwmeta1.element.bwnjournal-article-fmv36i1p13,
author = {C. Saalfrank},
title = {Retraction properties for normal Hausdorff spaces},
journal = {Fundamenta Mathematicae},
volume = {36},
year = {1949},
pages = {93-108},
zbl = {0037.39501},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv36i1p13}
}
Saalfrank, C. Retraction properties for normal Hausdorff spaces. Fundamenta Mathematicae, Tome 36 (1949) pp. 93-108. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv36i1p13/