TY - BOOK AU - Davidoff Giuliana AU - Sarnak Peter AU - Valette Alain TI - Elementary number theory, group theory, and Ramanujan graphs SN - 0-521-53143-8 U1 - 511.5 PY - 2003/// CY - Cambridge PB - CUP KW - Graph theory KW - Group theory KW - Number theory ER -