%0 Journal Article %A V. M. Kurbanov %T On the basis property and equiconvergence with a trigonometric series of spectral expansions of a $2n$-order differential operator %J Differencialʹnye uravneniâ %D 1992 %P 1279-1280 %V 28 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_7_a23/ %G ru %F DE_1992_28_7_a23