%0 Journal Article %A Gramchev, T. %T Perturbative methods in scales of Banach spaces: applications for Gevrey regularity of solutions to semilinear partial differential equations. %J Rendiconti del seminario matematico %D 2003 %P 101-134 %V 61 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RSM_2003__61_2_116638/ %G en %F RSM_2003__61_2_116638