@article{MAN_1909__66_158375,
     author = {Ernst Jacobsthal},
     title = {\"Uber den {Aufbau} der transfiniten {Arithmetik}},
     journal = {Mathematische Annalen},
     pages = {145--194},
     publisher = {mathdoc},
     volume = {66},
     year = {1909},
     zbl = {39.0100.05},
     url = {http://geodesic.mathdoc.fr/item/MAN_1909__66_158375/}
}