@article{MZ_1950__53_169173,
     author = {H. Kneser},
     title = {Eine direkte {Ableitung} des {Zornschen} {Lemmas} aus dem {Auswahlaxiom}},
     journal = {Mathematische Zeitschrift},
     pages = {110--113},
     publisher = {mathdoc},
     volume = {53},
     year = {1950},
     zbl = {0037.31902},
     url = {http://geodesic.mathdoc.fr/item/MZ_1950__53_169173/}
}