%0 Journal Article
%A Ioakim,  Xenakis
%T Generalized van der Pol equation and Hilbert's 16th problem
%J Electronic journal of differential equations
%D 2014
%V 2014
%U http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a80/
%G en
%F EJDE_2014__2014__a80