TY - BOOK AU - Davidoff, Giuliana AU - Sarnak, Peter TI - Elementary number theory: group theory and Ramanujan graphs SN - 0-521-82426-5 U1 - 511.1 PY - 2003/// CY - Cambridge PB - Cambridge University Press KW - Graph theory KW - theory of numbers KW - Number theory KW - Group theory KW - Algebra KW - Mathematics KW - Set theory KW - Boolean algebra ER -