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@article{EXMA_2002__11_4_55456, author = {Gra\c{c}a, M\'ario M.}, title = {On the computation of nonhyperbolic fixed points.}, journal = {Experimental mathematics}, pages = {477--485}, publisher = {mathdoc}, volume = {11}, number = {4}, year = {2002}, zbl = {1162.37316}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EXMA_2002__11_4_55456/} }
Graça, Mário M. On the computation of nonhyperbolic fixed points.. Experimental mathematics, Tome 11 (2002) no. 4, pp. 477-485. http://geodesic.mathdoc.fr/item/EXMA_2002__11_4_55456/