%0 Journal Article
%A M. G. Krein
%A G. K. Langer
%T On the spectral function of a self-adjoint operator in a space with indefinite metric
%J Doklady Akademii Nauk
%D 1963
%P 39-42
%V 152
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a8/
%G ru
%F DAN_1963_152_1_a8