@article{MZ_1939__45_168851,
     author = {R., Sauer},
     title = {Metrische {Fragen} der {Gewebegeometrie}},
     journal = {Mathematische Zeitschrift},
     pages = {265--288},
     publisher = {mathdoc},
     volume = {45},
     year = {1939},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1939__45_168851/}
}