%0 Journal Article %A L. A. Molotkov %T On the Dispfrlsion Equations of Vertically Inhomogenous Elastic and Liquid Media %J Zapiski Nauchnykh Seminarov POMI %D 1974 %P 189-211 %V 42 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1974_42_a10/ %G ru %F ZNSL_1974_42_a10