@article{JRAM_1880__89_183439,
     author = {W. Killing},
     title = {Die {Rechnung} in den {Nicht-Euklidischen} {Raumformen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {265--287},
     publisher = {mathdoc},
     volume = {89},
     year = {1880},
     zbl = {15.0833.04},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1880__89_183439/}
}