@article {IOPORT.05342901,
    author       = {Qesmi, R. and Babram, M.Ait and Hbid, M.L.},
    title        = {Center manifolds and normal forms for a class of retarded functional differential equations with parameter associated with Fold-Hopf singularity.},
    year         = {2006},
    journal      = {Applied Mathematics and Computation},
    volume       = {181},
    number       = {1},
    issn         = {0096-3003},
    pages        = {220-246},
    publisher    = {Elsevier Science Publishing Co. (North-Holland), New York},
    doi          = {10.1016/j.amc.2006.01.030},
    abstract     = {Summary: We present explicit formulas for computing the coefficients of a center manifolds for the Fold-Hopf singularity in autonomous retarded functional differential equations. As consequence, normal forms associated with the flow on a center manifold up to an arbitrary order are derived. The explicit formulas are implemented using the computer algebra system Maple. We apply our results to a delayed system in order to show the applicability of the methodology.},
    identifier   = {05342901},
}