%0 Journal Article %A Z. Kadelburg %T Double expansion in series of eigenfunctions of the Orr--Sommerfeld problem %J Differencialʹnye uravneniâ %D 1985 %P 1082-1085 %V 21 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_6_a24/ %G ru %F DE_1985_21_6_a24