%0 Journal Article %A D. I. Borisov %A K. V. Pankrashin %T Gap Opening and Split Band Edges in Waveguides Coupled by a Periodic System of Small Windows %J Matematičeskie zametki %D 2013 %P 665-683 %V 93 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2013_93_5_a2/ %G ru %F MZM_2013_93_5_a2