%0 Journal Article %A L. A. Molotkov %T Investigation of low frequency normal waves in Biot layer surrounded by an elastic medium %J Zapiski Nauchnykh Seminarov POMI %D 2009 %P 110-126 %V 369 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2009_369_a5/ %G ru %F ZNSL_2009_369_a5