@article{SM_2006_197_2_a1,
     author = {A. S. Andreev},
     title = {Quasi-Weyl asymptotics of the  spectrum in the {Dirichlet} problem},
     journal = {Sbornik. Mathematics},
     pages = {153--171},
     publisher = {mathdoc},
     volume = {197},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2006_197_2_a1/}
}