%0 Journal Article %A A. Delshams %A P. GutiƩrrez %T Exponentially small splitting of separatrices for whiskered tori in Hamiltonian systems %J Zapiski Nauchnykh Seminarov POMI %D 2003 %P 87-121 %V 300 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2003_300_a9/ %G en %F ZNSL_2003_300_a9