@article{MZ_1966__91_170518,
     author = {Olav Njastad},
     title = {On {Wallman-type} {Compactifications.}},
     journal = {Mathematische Zeitschrift},
     pages = {267--276},
     publisher = {mathdoc},
     volume = {91},
     year = {1966},
     zbl = {0131.20404},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__91_170518/}
}