@article{BSMF_1891__19__109_1,
     author = {Godefroy, H.},
     title = {Relation entre les rayons de courbure des d\'evelopp\'ees des courbes r\'eciproques},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {109--113},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {19},
     year = {1891},
     doi = {10.24033/bsmf.433},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.433/}
}