%0 Journal Article %A S. N. Tumanov %A A. A. Shkalikov %T On the limit behaviour of the spectrum of a model problem for the Orr--Sommerfeld equation with Poiseuille profile %J Izvestiya. Mathematics %D 2002 %P 829-856 %V 66 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2002_66_4_a6/ %G en %F IM2_2002_66_4_a6