%0 Journal Article %A D. Yu. Knyaz'kov %A A. V. Romanova %A A. S. Shamaev %T A local perturbation method for the approximate calculation of the acoustic wave diffraction with impedance interface conditions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2016 %P 184-194 %V 295 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2016_295_a9/ %G ru %F TM_2016_295_a9