%0 Journal Article
%A N. V. Nikolenko
%T The~method of Poincar\'e normal forms in problems of integrability of equations of evolution type
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1986
%P 63-114
%V 41
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1986_41_5_a2/
%G en
%F RM_1986_41_5_a2