@article{JRAM_1939__180_150060,
     author = {Erich George},
     title = {Ein {Beitrag} zur {Theorie} der geordneten {Mengen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {191--196},
     publisher = {mathdoc},
     volume = {180},
     year = {1939},
     zbl = {0021.11001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1939__180_150060/}
}