%0 Journal Article
%A Torgašev Aleksandar
%T The spectrum of a normal digraph
%J Novi Sad Journal of Mathematics
%D 1987
%P 187-200
%V 17
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1987_17_1a_12/
%F NSJOM_1987_17_1a_12