@article{ASNSP_1939_2_8_2_105_0,
     author = {Carath\'eodory, Constantin},
     title = {Die homomorphieen von {Somen} und die {Multiplikation} von {Inhaltsfunktionen}},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {105--130},
     publisher = {Scuola normale superiore},
     volume = {Ser. 2, 8},
     number = {2},
     year = {1939},
     zbl = {0021.11403},
     language = {de},
     url = {http://www.numdam.org/item/ASNSP_1939_2_8_2_105_0/}
}