%0 Journal Article
%A Shibata,  Tetsutaro
%T Precise asymptotic behavior of solutions to damped simple pendulum equations
%J Electronic journal of differential equations
%D 2009
%V 2009
%U http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a122/
%G en
%F EJDE_2009__2009__a122