%0 Journal Article
%A L. V. Kritskov
%T Representation and estimates of root functions of singular differential operators on an interval. I
%J Differencialʹnye uravneniâ
%D 1992
%P 1291-1302
%V 28
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1992_28_8_a0/
%G ru
%F DE_1992_28_8_a0