%0 Journal Article %A C. D. Pagani %A D. Pierotti %T Variational Linear Problems in Wave–Obstacle Interaction %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2006 %P 216-226 %V 255 %U http://geodesic.mathdoc.fr/item/TM_2006_255_a15/ %G en %F TM_2006_255_a15