%0 Journal Article %A Nandakumaran, A.K. %T Convergence of the boundary control for the wave equation in domains with holes of critical size %J Electronic journal of differential equations %D 2002 %V 2002 %U http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a46/ %G en %F EJDE_2002__2002__a46