@article{MM2_1991__73_1_155663, author = {David B. Jaffe}, title = {Smooth curves on a cone which pass through its vertex.}, journal = {Manuscripta mathematica}, pages = {187--206}, publisher = {mathdoc}, volume = {73}, number = {1}, year = {1991}, zbl = {0779.14019}, url = {http://geodesic.mathdoc.fr/item/MM2_1991__73_1_155663/} }