@article{MAN_1905__61_158224,
     author = {Gerhard Hessenberg},
     title = {Begr\"undung der elliptischen {Geometrie.} {(Mit} 10 {Figuren} im {Text)} .},
     journal = {Mathematische Annalen},
     pages = {173},
     publisher = {mathdoc},
     volume = {61},
     year = {1905},
     zbl = {36.0584.01},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/MAN_1905__61_158224/}
}