@article{CRMATH_2013__351_19-20_725_0,
     author = {Arrieta, Jos\'e M. and Lamberti, Pier Domenico},
     title = {Spectral stability results for higher-order operators under perturbations of the domain},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {725--730},
     publisher = {Elsevier},
     volume = {351},
     number = {19-20},
     year = {2013},
     doi = {10.1016/j.crma.2013.10.001},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2013.10.001/}
}