TY  - BOOK
AU  - Biggs Norman
TI  - Algebraic graph theory
T2  - Cambridge tracts in mathematics; 67
U1  - B23:6, L4 
PY  - 1974///
CY  - Cambridge
PB  - University Press        
KW  -  Graphical solution of equations
KW  - Equation theory
N1  - Bibliography 165-168p
ER  -