%0 Journal Article %A Yu. A. Lavrov %T On frequencies of free acoustic oscillations in fluid dividing rigid and elastic cylindrical walls of finite length %J Zapiski Nauchnykh Seminarov POMI %D 2002 %P 117-123 %V 285 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2002_285_a8/ %G ru %F ZNSL_2002_285_a8