%0 Journal Article
%A Barbosa, Ezequiel R.
%A Montenegro, Marcos
%T A note on extremal functions for sharp Sobolev inequalities
%J Electronic Journal of Differential Equations
%D 2007
%V 2007
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a114/
%G en
%F EJDE_2007__2007__a114