TY - JOUR AU - Turki, Sameh TI - Existence of continuous positive solutions for some nonlinear polyharmonic systems outside the unit ball JO - Electronic journal of differential equations PY - 2011 VL - 2011 UR - http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a37/ LA - en ID - EJDE_2011__2011__a37 ER -