@article{bwmeta1.element.bwnjournal-article-fmv18i1p3bwm,
author = {J. Roberts},
title = {A point set characterization of closed 2-dimensional manifolds},
journal = {Fundamenta Mathematicae},
volume = {19},
year = {1932},
pages = {39-46},
zbl = {0004.16301},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv18i1p3bwm}
}
Roberts, J. A point set characterization of closed 2-dimensional manifolds. Fundamenta Mathematicae, Tome 19 (1932) pp. 39-46. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv18i1p3bwm/