%0 Journal Article
%A Shibata,  Tetsutaro
%T Asymptotic shape of solutions to the perturbed simple pendulum problems
%J Electronic journal of differential equations
%D 2007
%V 2007
%U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a180/
%G en
%F EJDE_2007__2007__a180