@article{2084,
author = {Ribeiro, Hugo},
title = {La coh\'erence d'un ensemble et les ensembles denses en soi},
journal = {Portugaliae mathematica},
volume = {2},
year = {1941},
pages = {67-76},
zbl = {0025.24001},
mrnumber = {0004101},
language = {fr},
url = {http://dml.mathdoc.fr/item/2084}
}
Ribeiro, Hugo. La cohérence d'un ensemble et les ensembles denses en soi. Portugaliae mathematica, Tome 2 (1941) pp. 67-76. http://gdmltest.u-ga.fr/item/2084/