%0 Journal Article
%A Luisi, Valeria
%T Light rays in static spacetimes with critical asymptotic behavior: a variational approach
%J Electronic Journal of Differential Equations
%D 2006
%V 2006
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a5/
%G en
%F EJDE_2006__2006__a5