TY - JOUR AU - D. I. Borisov AU - K. V. Pankrashin TI - Gap Opening and Split Band Edges in Waveguides Coupled by a Periodic System of Small Windows JO - Matematičeskie zametki PY - 2013 SP - 665 EP - 683 VL - 93 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_93_5_a2/ LA - ru ID - MZM_2013_93_5_a2 ER -