@article{PM_1991_1991_1_a31,
     author = {Jibin, Li and Zhenrong, Liu},
     title = {Conjunto de bifurcaci\'on y ciclos l{\'\i}mite que forman ojos compuestos en un sistema hamiltoniano perturbado.},
     journal = {Publicacions matem\`atiques},
     pages = {487-506},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1991_1991_1_a31/}
}