@article{MZ_1923__16_174964,
     author = {B. Weyrich},
     title = {Beitr\"age zur {Theorie} der {Kurven} konstanter geod\"atischer {Kr\"um-mung} auf krummen {Fl\"achen}},
     journal = {Mathematische Zeitschrift},
     pages = {249--272},
     publisher = {mathdoc},
     volume = {16},
     year = {1923},
     zbl = {49.0513.03},
     url = {http://geodesic.mathdoc.fr/item/MZ_1923__16_174964/}
}