%0 Journal Article %A G. L. Zavorokhin %T On the ray method for the Biot medium %J Zapiski Nauchnykh Seminarov POMI %D 2008 %P 112-131 %V 354 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2008_354_a4/ %G ru %F ZNSL_2008_354_a4