%0 Journal Article
%A Turki,  Sameh
%T Existence of continuous positive solutions for some nonlinear polyharmonic systems outside the unit ball
%J Electronic journal of differential equations
%D 2011
%V 2011
%U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a37/
%G en
%F EJDE_2011__2011__a37