@article{JRAM_1865__64_147936,
     author = {L. Cremona},
     title = {Sur l'hypocycloide \`a trois rebroussements.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {101--123},
     year = {1865},
     volume = {64},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1865__64_147936/}
}