%0 Journal Article
%A E. Perez
%T Long Time Approximations for Solution of Evolution Equations from Quasimodes: Perturbation Problems
%J Mathematica balkanica
%D 2011
%P 95
%V 25
%N 1-2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a6/
%F MABA_2011_25_1-2_a6