@article{03931600, title = {Invariant manifolds and alternative approaches to reduce perturbation theory: Dissipative systems.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {7}, year = {1984}, pages = {625-661}, doi = {10.1155/S0161171284000685}, zbl = {0582.35096}, language = {en}, url = {http://dml.mathdoc.fr/item/03931600} }
Morris, Hedley C.; Sheil, Derek; Dodd, Roger. Invariant manifolds and alternative approaches to reduce perturbation theory: Dissipative systems.. International Journal of Mathematics and Mathematical Sciences, Tome 7 (1984) pp. 625-661. doi : 10.1155/S0161171284000685. http://gdmltest.u-ga.fr/item/03931600/