%0 Journal Article %A L. A. Molotkov %A N. A. Razumovskii %T On the matrix method for slightly heterogeneous layered acoustical media %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 105-115 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_128_a11/ %G ru %F ZNSL_1983_128_a11