@article {IOPORT.50083276,
    author       = {Palaci\'an, Jes\'us F.},
    title        = {Integration of perturbed initial value problems through reduction theory},
    year         = {2004},
    journal      = {SIAM J. Numerical Analysis},
    volume       = {42},
    number       = {2},
    pages        = {878-904},
    doi          = {10.1137/S0036142903420996},
    identifier   = {50083276},
}