@article{bwmeta1.element.bwnjournal-article-smv25i1p31bwm,
author = {R. Williamson},
title = {A remark on a theorem of Banach},
journal = {Studia Mathematica},
volume = {25},
year = {1965},
pages = {367},
zbl = {0131.32601},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv25i1p31bwm}
}
Williamson, R. A remark on a theorem of Banach. Studia Mathematica, Tome 25 (1965) p. 367. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv25i1p31bwm/