%0 Journal Article %A El Hamidi, Abdallah %A Laptev, Gennady G. %T Nonexistence of solutions to systems of higher-order semilinear inequalities in cone-like domains %J Electronic journal of differential equations %D 2002 %V 2002 %U http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a129/ %G en %F EJDE_2002__2002__a129