TY - JOUR AU - A. A. Bykov AU - V. Yu. Popov AU - A. G. Sveshnikov TI - The use of the singular perturbations method to calculate the electromagnetic-wave-scattering operator in open periodic waveguide structures JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1994 SP - 1038 EP - 1052 VL - 34 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1994_34_7_a6/ LA - ru ID - ZVMMF_1994_34_7_a6 ER -