@article{CMH_1952__26_139048,
     author = {Johann Jakob Schindler},
     title = {Beitr\"age zur {Theorie} von {St\"utzfunktionen} und {Radius.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {242--251},
     publisher = {mathdoc},
     volume = {26},
     year = {1952},
     zbl = {0049.23201},
     url = {http://geodesic.mathdoc.fr/item/CMH_1952__26_139048/}
}