@article{CMH_1966__41_139325,
     author = {Hilbert Levitz},
     title = {\"Uber die {FINSLERschen} h\"oheren arithmetischen {Operationen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {273--286},
     publisher = {mathdoc},
     volume = {41},
     year = {1966},
     zbl = {0147.25104},
     url = {http://geodesic.mathdoc.fr/item/CMH_1966__41_139325/}
}