@article{NAM_1875_2_14__21_1,
     author = {Cahen, Ch.-Ph.},
     title = {Sur l'hypocyclo{\"\i}de \`a trois rebroussements},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {21--31},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {2e s{\'e}rie, 14},
     year = {1875},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1875_2_14__21_1/}
}