@article{AFST_1995_6_4_1_61_0,
     author = {De Le\'on, Manuel and Merino, Eugenic and Oubi\~na, Jos\'e A. and Salgado, Modesto},
     title = {A global characterization of jet bundles of $p^1$-velocities and covelocities},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {61--75},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 6, 4},
     number = {1},
     year = {1995},
     mrnumber = {1344717},
     zbl = {0846.53019},
     language = {en},
     url = {http://www.numdam.org/item/AFST_1995_6_4_1_61_0/}
}