%0 Journal Article
%A A. P. Markeev
%T On the Birkhoff transformation in the case of complete degeneracy of the quadratic part of the Hamiltonian
%J Russian journal of nonlinear dynamics
%D 2015
%P 343-352
%V 11
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ND_2015_11_2_a9/
%G ru
%F ND_2015_11_2_a9