@article{MZ_1962__79_170081,
     author = {C.J. Neugebauer},
     title = {Blumberg sets and quasi-continuity.},
     journal = {Mathematische Zeitschrift},
     pages = {451--455},
     publisher = {mathdoc},
     volume = {79},
     year = {1962},
     zbl = {0105.27004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__79_170081/}
}