%0 Journal Article %A M. A. Sumbatyan %T A correct treatment of an ill-posed boundary equation in the acoustics of closed regions %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2001 %P 436-442 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2001_41_3_a8/ %G ru %F ZVMMF_2001_41_3_a8