%0 Journal Article %A V. M. Babich %T On eigen oscillations multilayered resonator %J Zapiski Nauchnykh Seminarov POMI %D 1969 %P 9-46 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1969_15_a1/ %G ru %F ZNSL_1969_15_a1