@article{PM_2007_2007_1_a22,
     author = {Miret Biosca, Josep M. and Moreno, Ramiro and Rio, Anna},
     title = {Generalizaci\'on de las f\'ormulas de {V\'elu} para isogenias entre curvas el{\'\i}pticas.},
     journal = {Publicacions matem\`atiques},
     publisher = {mathdoc},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2007_2007_1_a22/}
}