%0 Journal Article %A P. D. Lamberti %A M. Perin %T On the sharpneess of a certain spectral stability estimate for the Dirichlet Laplacian %J Eurasian mathematical journal %D 2010 %P 111-122 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2010_1_1_a8/ %G en %F EMJ_2010_1_1_a8