%0 Journal Article
%A I. Kh. Sigal
%A V. A. Chebakov
%T A method of matrix analysis and its application to a problem in the theory of graphs
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1965
%P 148-150
%V 5
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1965_5_1_a19/
%G ru
%F ZVMMF_1965_5_1_a19