%0 Journal Article %A William C. Lydord %T Asymptotic Energy Propagation and Scattering of Waves in Waveguides with Cylinders. %J Mathematische Annalen %D 1976 %P 193-212 %V 219 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1976__219_182768/ %F MAN_1976__219_182768