%0 Journal Article
%A V. V. Katrakhov
%T The spectral function of certain singular differential operators.~I
%J Differencialʹnye uravneniâ
%D 1976
%P 1256-1266
%V 12
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_7_a12/
%G ru
%F DE_1976_12_7_a12