@article{ARM_1996_32_1_a4,
     author = {Villarroel, Y.},
     title = {Higher order contact of real curves in a real hyperquadric},
     journal = {Archivum mathematicum},
     pages = {57--73},
     year = {1996},
     volume = {32},
     number = {1},
     mrnumber = {1399840},
     zbl = {0870.53025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1996_32_1_a4/}
}