%0 Journal Article %A V. M. Babich %T Propagation of waves along weakly nonhomogeneous in the horisontal direction and slowly bent anisotropic elastic layer %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 12-32 %V 239 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1997_239_a1/ %G ru %F ZNSL_1997_239_a1