%0 Journal Article
%A D. M. Cvetković
%A I. M. Gutman
%T The algebraic multiplicity of the number zero in the spectrum of a bipartite graph
%J Matematički vesnik
%D 1972
%P 141 
%V 24
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MV_1972_24_1_a21/
%F MV_1972_24_1_a21