@article{EXMATH_1996_1996_1_a7,
     author = {Le\'on, Manuel de and Mart{\'\i}n de Diego, David},
     title = {Resoluci\'on de din\'amicas de {Lagrange} no holon\'omicas en funci\'on de estructuras casi producto.},
     journal = {Extracta mathematicae},
     pages = {325-347},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1996_1996_1_a7/}
}