ON INTEGRABILITY OF QUADRATIC AREA PRESERVING MAPPINGS IN THE PLANEFONTICH E.1983; LECTURE NOTES IN PHYSICS; ISSN 0075-8450; DEU; DA. 1983; VOL. 179; PP. 270-271; BIBL. 4 REF.Conference Paper

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Exponentially small upper bounds for the splitting of separatrices for high frequency periodic perturbationsFONTICH, E.Nonlinear analysis. 1993, Vol 20, Num 6, pp 733-744, issn 0362-546XArticle

Invariant manifolds for a class of parabolic pointsCASASAYAS, J; FONTICH, E; NUNES, A et al.Nonlinearity (Bristol. Print). 1992, Vol 5, Num 5, pp 1193-1210, issn 0951-7715Article