%0 Journal Article %A B. A. Plamenevsky %A A. S. Poretsky %A O. V. Sarafanov %T A method for approximate computation of the scattering matrix in acoustic diffraction gratings %J Zapiski Nauchnykh Seminarov POMI %D 2022 %P 238-252 %V 516 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2022_516_a8/ %G ru %F ZNSL_2022_516_a8