%0 Journal Article %A L. A. Molotkov %A A. E. Khilo %T She investigation of propagation of three-dimensional waves in stratified elastic and elasticfluid systems %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 116-129 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_128_a12/ %G ru %F ZNSL_1983_128_a12