@article{MAN_1976__219_182759,
     author = {Khalil Noureddine},
     title = {Note {Sur} les {Espaces} {Db.}},
     journal = {Mathematische Annalen},
     pages = {97--104},
     year = {1976},
     volume = {219},
     zbl = {0296.46007},
     url = {http://geodesic.mathdoc.fr/item/MAN_1976__219_182759/}
}