@article{2262,
author = {Campos Ferreira, Jaime},
title = {Sur la notion d'ordre infinit\'esimal},
journal = {Portugaliae mathematica},
volume = {14},
year = {1955},
pages = {43-62},
zbl = {0065.34302},
mrnumber = {0076007},
language = {fr},
url = {http://dml.mathdoc.fr/item/2262}
}
Campos Ferreira, Jaime. Sur la notion d'ordre infinitésimal. Portugaliae mathematica, Tome 14 (1955) pp. 43-62. http://gdmltest.u-ga.fr/item/2262/