%0 Journal Article %A G. S. Markosyan %T Propagation of flexural waves through an inhomogeneous plate with slowly changing parameters %J Differencialʹnye uravneniâ %D 1988 %P 530-532 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_3_a24/ %G ru %F DE_1988_24_3_a24