%0 Journal Article %A J. Rivera-Letelier %T Weak hyperbolicity on periodic orbits for polynomials %J Comptes Rendus. Mathématique %D 2002 %P 1113-1118 %V 334 %N 12 %I Elsevier %R 10.1016/S1631-073X(02)02413-5 %G en %F CRMATH_2002__334_12_1113_0