The companion curves of gilles personne de roberval.
@article{1782,
title = {The companion curves of gilles personne de roberval},
journal = {CUBO, A Mathematical Journal},
volume = {4},
year = {2002},
language = {en},
url = {http://dml.mathdoc.fr/item/1782}
}
Hughes, Barnabas. The companion curves of gilles personne de roberval. CUBO, A Mathematical Journal, Tome 4 (2002) . http://gdmltest.u-ga.fr/item/1782/