@article{1183494560, author = {Lasley, J. W.}, title = {Penosculating conics of a plane curve}, journal = {Bull. Amer. Math. Soc.}, volume = {37}, number = {12}, year = {1931}, pages = { 76-82}, language = {en}, url = {http://dml.mathdoc.fr/item/1183494560} }
Lasley, J. W. Penosculating conics of a plane curve. Bull. Amer. Math. Soc., Tome 37 (1931) no. 12, pp. 76-82. http://gdmltest.u-ga.fr/item/1183494560/