@article{EMJ_2010_1_1_a8,
     author = {P. D. Lamberti and M. Perin},
     title = {On the sharpneess of a certain spectral stability estimate for the {Dirichlet} {Laplacian}},
     journal = {Eurasian mathematical journal},
     pages = {111--122},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2010_1_1_a8/}
}