@article{NUMA_1993__65_4_133736,
     author = {J.M. Ferr\'andiz and M. Teresa P\'erez},
     title = {A family of multistep methods to integrate orbits on spheres.},
     journal = {Numerische Mathematik},
     pages = {285--300},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {1993},
     zbl = {0791.65057},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133736/}
}