@article{JRAM_1916__146_149443,
     author = {Friedrich Riesz},
     title = {\"Uber ein {Probelm} des {Herrn} {Carath\'eodory.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {83--87},
     publisher = {mathdoc},
     volume = {146},
     year = {1916},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1916__146_149443/}
}