@article{MZ_1918__1_167463,
     author = {S. Jolles},
     title = {Eine besondere metrische {Konstruktion}},
     journal = {Mathematische Zeitschrift},
     pages = {303--308},
     year = {1918},
     volume = {1},
     zbl = {46.0996.04},
     url = {http://geodesic.mathdoc.fr/item/MZ_1918__1_167463/}
}