@article{1183425494, author = {Blumberg, Henry}, title = {Hausdorff's Grundz\"uge der Mengenlehre}, journal = {Bull. Amer. Math. Soc.}, volume = {27}, number = {3}, year = {1920}, pages = { 116-129}, language = {en}, url = {http://dml.mathdoc.fr/item/1183425494} }
Blumberg, Henry. Hausdorff's Grundzüge der Mengenlehre. Bull. Amer. Math. Soc., Tome 27 (1920) no. 3, pp. 116-129. http://gdmltest.u-ga.fr/item/1183425494/