@article{JRAM_1861__58_147823,
     author = {R. Hoppe},
     title = {Ueber die {Umh\"ullungslinie} der {Pollinien} einer {Curve} und deren inverse {Linie.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {374},
     publisher = {mathdoc},
     volume = {58},
     year = {1861},
     language = {de},
     url = {https://geodesic-test.mathdoc.fr/item/JRAM_1861__58_147823/}
}