@article{MZ_1923__16_174968,
     author = {H. Tietze},
     title = {\"Uber die {Parallelverschiebung} in {Biemannschen} {B\"aumen}},
     journal = {Mathematische Zeitschrift},
     pages = {308--317},
     publisher = {mathdoc},
     volume = {16},
     year = {1923},
     zbl = {49.0546.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1923__16_174968/}
}