%0 Journal Article %A S. A. Masalov %T The semi-inversion method in the problem of wave scattering on the echelette grating with finite conductivity %J Doklady Akademii Nauk %D 1980 %P 1091-1094 %V 253 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_253_5_a16/ %G ru %F DAN_1980_253_5_a16