%0 Journal Article
%A A. D. Bruno
%T The normal form of a Hamiltonian system
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1988
%P 25-66
%V 43
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1988_43_1_a2/
%G en
%F RM_1988_43_1_a2