@article{CMUC_1981__22_1_a13,
     author = {Nehse, Reinhard},
     title = {A new concept of separation},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {169--179},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1981},
     mrnumber = {609945},
     zbl = {0518.46005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981__22_1_a13/}
}