%0 Journal Article %A N. A. Khasanov %A S. V. Sukhinin %T Axiradial acoustic eigenoscillations near a~thin-walled obstacle in a~cylindrical channel with narrowing steps %J Sibirskij žurnal industrialʹnoj matematiki %D 2013 %P 131-141 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2013_16_4_a11/ %G ru %F SJIM_2013_16_4_a11