@article{MZ_1921__9_167614,
     author = {R., Bach},
     title = {Zur {Weylschen} {Relativit\"atstheorie} und der {Weylschen} {Erweiterung} des {Kr\"ummungstensorbegriffs}},
     journal = {Mathematische Zeitschrift},
     pages = {110--135},
     publisher = {mathdoc},
     volume = {9},
     year = {1921},
     zbl = {48.1035.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1921__9_167614/}
}