@article{MZ_1933__37_168448,
     author = {P. Thullen and H. Behnke},
     title = {Maximalteiler und {Regularit\"atsh\"ullen.} {Bemerkungen} zu einer {Arbeit} von {Herrn} {Carath\'eodory.}},
     journal = {Mathematische Zeitschrift},
     pages = {310--313},
     publisher = {mathdoc},
     volume = {37},
     year = {1933},
     zbl = {59.0341.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1933__37_168448/}
}