@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},
     year = {1991},
     volume = {73},
     number = {1},
     zbl = {0779.14019},
     url = {http://geodesic.mathdoc.fr/item/MM2_1991__73_1_155663/}
}