@article{2101, author = {Albuquerque, J.}, title = {La notion de "fronti\`ere" en Topologie}, journal = {Portugaliae mathematica}, volume = {2}, year = {1941}, pages = {280-289}, zbl = {0026.27302}, mrnumber = {0007097}, language = {fr}, url = {http://dml.mathdoc.fr/item/2101} }
Albuquerque, J. La notion de "frontière" en Topologie. Portugaliae mathematica, Tome 2 (1941) pp. 280-289. http://gdmltest.u-ga.fr/item/2101/