@article{MAN_1912__71_158546,
     author = {A. Timpe},
     title = {Die {Torsion} von {Umdrehungsk\"orpem.} {(Mit} 4 {Figuren} im {Text).}},
     journal = {Mathematische Annalen},
     pages = {480--509},
     publisher = {mathdoc},
     volume = {71},
     year = {1912},
     zbl = {43.0934.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1912__71_158546/}
}