@article{ARM_1998_34_3_a4,
     author = {Villarroel, Yuli},
     title = {Higher order contact of real curves in a real hyperquadric. {II}},
     journal = {Archivum mathematicum},
     pages = {361--377},
     year = {1998},
     volume = {34},
     number = {3},
     mrnumber = {1662048},
     zbl = {0967.53015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1998_34_3_a4/}
}