@article{MOMA_1956__60_176985,
     author = {Walter Kautny},
     title = {Zur {Geometrie} des harmonischen {Umschwungs.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {66--82},
     publisher = {mathdoc},
     volume = {60},
     year = {1956},
     zbl = {0070.16601},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1956__60_176985/}
}