%0 Journal Article
%A V. M. Kurbanov
%T Equiconvergence of biorthogonal expansions in root functions of differential operators.~I
%J Differencialʹnye uravneniâ
%D 1999
%P 1597-1609
%V 35
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_12_a1/
%G ru
%F DE_1999_35_12_a1