@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},
     year = {2023},
     volume = {214},
     number = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2023_214_7_a4/}
}