TY  - JOUR
AU  - D. M. Cvetković
AU  - I. M. Gutman
TI  - The algebraic multiplicity of the number zero in the spectrum of a bipartite graph
JO  - Matematički vesnik
PY  - 1972
SP  - 141 
VL  - 24
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MV_1972_24_1_a21/
ID  - MV_1972_24_1_a21
ER  -