@article{CMH_1954__28_139076,
     author = {F. Baebler},
     title = {\"Uber den {Zerlegungssatz} von {Petersen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {155--161},
     publisher = {mathdoc},
     volume = {28},
     year = {1954},
     zbl = {0055.17103},
     url = {http://geodesic.mathdoc.fr/item/CMH_1954__28_139076/}
}