@article{CMH_1969__44_139390,
     author = {Peter Scherk},
     title = {\"Uber eine {Klasse} von {Polyederfunktionalen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {191--201},
     year = {1969},
     volume = {44},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMH_1969__44_139390/}
}