@article{GDZPPN002232499, title = {Smooth curves on a cone which pass through its vertex.}, journal = {Manuscripta mathematica}, volume = {70}, year = {1991}, pages = {187-206}, zbl = {0779.14019}, url = {http://dml.mathdoc.fr/item/GDZPPN002232499} }
Jaffe, David B. Smooth curves on a cone which pass through its vertex.. Manuscripta mathematica, Tome 70 (1991) pp. 187-206. http://gdmltest.u-ga.fr/item/GDZPPN002232499/