@article{ASENS_1963_3_80_1_81_0,
     author = {Oeconomidis, Nicolas},
     title = {Familles ferm\'ees ou ouvertes d'ensembles dans un espace},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {81--105},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 80},
     number = {1},
     year = {1963},
     doi = {10.24033/asens.1118},
     mrnumber = {28 #578},
     zbl = {0112.37503},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.1118/}
}