@article{PORMA_1969__28_2_115090,
     author = {Achache, Achille},
     title = {Structure de l'ensemble des fermetures d'un treillis complet},
     journal = {Portugaliae mathematica},
     pages = {111--119},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1969},
     mrnumber = {0288055},
     zbl = {0265.06005},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1969__28_2_115090/}
}