@article{bwmeta1.element.bwnjournal-article-fmv6i1p24bwm,
author = {Paul Urysohn},
title = {\"Uber ein Problem von Herrn C. Carath\'eodory},
journal = {Fundamenta Mathematicae},
volume = {6},
year = {1924},
pages = {229-235},
zbl = {50.0139.01},
language = {deu},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv6i1p24bwm}
}
Urysohn, Paul. Über ein Problem von Herrn C. Carathéodory. Fundamenta Mathematicae, Tome 6 (1924) pp. 229-235. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv6i1p24bwm/