@article{bwmeta1.element.bwnjournal-article-fmv34i1p29,
author = {Roman Sikorski},
title = {On the cartesian product of metric spaces},
journal = {Fundamenta Mathematicae},
volume = {34},
year = {1947},
pages = {288-292},
zbl = {0041.31701},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv34i1p29}
}
Sikorski, Roman. On the cartesian product of metric spaces. Fundamenta Mathematicae, Tome 34 (1947) pp. 288-292. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv34i1p29/