%0 Journal Article %A L. A. Molotkov %T On the investigation of wave propagation in the models of cracked media %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 116-127 %V 179 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_179_a13/ %G ru %F ZNSL_1989_179_a13