%0 Journal Article %A B. A. Plamenevskii %A A. S. Poretskii %A O. V. Sarafanov %T A method for approximate computation of waveguide scattering matrices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2020 %P 509-568 %V 75 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2020_75_3_a4/ %G en %F RM_2020_75_3_a4