%0 Journal Article %A Yakubov, Yakov %T Completeness of elementary solutions of second order elliptic equations in a semi-infinite tube domain %J Electronic Journal of Differential Equations %D 2002 %V 2002 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a239/ %G en %F EJDE_2002__2002__a239