@article{MAN_1893__42_157659,
     author = {M. Simon},
     title = {Zur {Volumbestimmung} in der {Lobatschewsky'schen} {Geometrie.}},
     journal = {Mathematische Annalen},
     pages = {471},
     publisher = {mathdoc},
     volume = {42},
     year = {1893},
     zbl = {25.0867.02},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/MAN_1893__42_157659/}
}