%0 Journal Article
%A I. Jo
%A N. Lažetić
%T Derivatives of partial sums of spectral decompositions corresponding to nonnegative selfadjoint extensions of Sturm–Liouville operators
%J Doklady Akademii Nauk
%D 1979
%P 534-536
%V 246
%N 3
%U http://geodesic.mathdoc.fr/item/DAN_1979_246_3_a4/
%G ru
%F DAN_1979_246_3_a4