%0 Journal Article
%A Vladimir Yu. Ol'shanskii
%T On quadratic integral Poincare--Zhukovsky's equations
%J Russian journal of nonlinear dynamics
%D 2012
%P 523-540
%V 8
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ND_2012_8_3_a7/
%G ru
%F ND_2012_8_3_a7