@article{CMH_1952__26_139039,
     author = {F. B\"abler},
     title = {Bemerkungen zu einer {Arbeit} von {Herrn} {R.} {Cantoni.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {117--118},
     publisher = {mathdoc},
     volume = {26},
     year = {1952},
     url = {http://geodesic.mathdoc.fr/item/CMH_1952__26_139039/}
}