@article{bwmeta1.element.bwnjournal-article-fmv48i3p251bwm,
author = {J. de Groot and R. McDowell},
title = {Extension of mappings on metric spaces},
journal = {Fundamenta Mathematicae},
volume = {48},
year = {1960},
pages = {251-263},
zbl = {0100.18903},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv48i3p251bwm}
}
de Groot, J.; McDowell, R. Extension of mappings on metric spaces. Fundamenta Mathematicae, Tome 48 (1960) pp. 251-263. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv48i3p251bwm/