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@article{MZ_1929__29_168078, author = {Reinhold Baer}, title = {Zur {Axiomatik} der {Kardinalzahlarithmetik.}}, journal = {Mathematische Zeitschrift}, pages = {381--396}, publisher = {mathdoc}, volume = {29}, year = {1929}, zbl = {54.0090.05}, url = {http://geodesic.mathdoc.fr/item/MZ_1929__29_168078/} }
Reinhold Baer. Zur Axiomatik der Kardinalzahlarithmetik.. Mathematische Zeitschrift, Tome 29 (1929), pp. 381-396. http://geodesic.mathdoc.fr/item/MZ_1929__29_168078/