TY  - BOOK
AU  - CVETKOVIC Dragos
TI  - Eigenspaces of graphs
SN  - 9780521057189
U1  - B44, N7 
PY  - 1997///
CY  - New York
PB  - Cambridge University Press       
KW  - Economics
N1  - Bibliography: 351-367p
ER  -