%0 Journal Article %A A. I. Velmisova %A M. V. Wilde %A I. V. Kirillova %T Propagation and reflection of harmonic waves in a~plane acoustic layer with non-homogeneous flexible walls %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2011 %P 68-73 %V 11 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2011_11_4_a8/ %G ru %F ISU_2011_11_4_a8