%0 Journal Article
%A Chicone, Carmen
%A Felts, Kenny
%T Non-monotone period functions for impact oscillators
%J Electronic Journal of Differential Equations
%D 2008
%V 2008
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a6/
%G en
%F EJDE_2008__2008__a6