@article{MZM_1997_61_3_a20, author = {A. V. Filinovskii}, title = {Continuity of the spectrum of the {Neumann} problem for second-order elliptic operators in expanding domains}, journal = {Matemati\v{c}eskie zametki}, pages = {471--475}, publisher = {mathdoc}, volume = {61}, number = {3}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1997_61_3_a20/} }