%0 Journal Article %A Palis, Jacob %A Yoccoz, Jean-Christophe %T Non-uniformly hyperbolic horseshoes arising from bifurcations of Poincaré heteroclinic cycles %J Publications Mathématiques de l'IHÉS %D 2009 %P 1-217 %V 110 %I Springer-Verlag %U http://www.numdam.org/articles/10.1007/s10240-009-0023-x/ %R 10.1007/s10240-009-0023-x %G en %F PMIHES_2009__110__1_0