%0 Journal Article
%A L. A. Kalyakin
%T Justification of asymptotic expansions for the principal resonance equations
%J Trudy Instituta matematiki i mehaniki
%D 2003
%P 88-101
%V 9
%N 1
%U http://geodesic.mathdoc.fr/item/TIMM_2003_9_1_a11/
%G ru
%F TIMM_2003_9_1_a11