@article{EJDE_2002__2002__a246,
     author = {Nandakumaran, A.K.},
     title = {Convergence of the boundary control for the wave equation in domains with holes of critical size},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2002},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a246/}
}