@article{SM_2023_214_7_a4, author = {S. A. Nazarov}, title = {Spectral gaps in a~thin-walled infinite rectangular {Dirichlet} box with a~periodic family of cross walls}, journal = {Sbornik. Mathematics}, pages = {982--1023}, publisher = {mathdoc}, volume = {214}, number = {7}, year = {2023}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_2023_214_7_a4/} }