TY  - BOOK
AU  - Davidoff, Giuliana
AU  - Asrnak, Peter
AU  - Valette, Alain
TI  - Elementary number theory, group theory and Ramanujan graphs
SN  - 0521531438
U1  - 512.7 
PY  - 2003///
CY  - UK
PB  - Cambridge
ER  -