%0 Journal Article
%A V. M. Brodskii
%A I. Ts. Gokhberg
%A M. G. Krein
%T Determination and fundamental properties of the characteristic function of $\mathcal{Y}$-node
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1970
%P 88-90
%V 4
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1970_4_1_a10/
%G ru
%F FAA_1970_4_1_a10