@article{CMH_1953__27_139061,
     author = {W. Scherrer},
     title = {Metrisches {Feld} und vektorielles {Materiefeld.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {157--164},
     publisher = {mathdoc},
     volume = {27},
     year = {1953},
     zbl = {0051.20102},
     url = {http://geodesic.mathdoc.fr/item/CMH_1953__27_139061/}
}