%0 Journal Article %A B. A. Plamenevskii %A A. S. Poretckii %A O. V. Sarafanov %T Method for computing waveguide scattering matrices in vicinity of thresholds %J Algebra i analiz %D 2014 %P 128-164 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2014_26_1_a4/ %G ru %F AA_2014_26_1_a4