%0 Journal Article %A S. A. Nazarov %T Spectral gaps in a~thin-walled infinite rectangular Dirichlet box with a~periodic family of cross walls %J Sbornik. Mathematics %D 2023 %P 982-1023 %V 214 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2023_214_7_a4/ %G en %F SM_2023_214_7_a4