@article{EXMATH_1998_1998_1_a6,
     author = {Alvarez, Martha and Llibre, Jaume},
     title = {Problemas restringidos de tres cuerpos y la no regularizaci\'on del problema de tres cuerpos is\'osceles restringido de colisi\'on el{\'\i}ptica.},
     journal = {Extracta mathematicae},
     pages = {73-94},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1998_1998_1_a6/}
}