00000nam a2200000 a 4500 20251203110607.0 0523531438 511.5 DAV Davidoff, Giuliana Elementary Number Theory, Group Theory, and Ramanujan Graphs Cambridge Cambridge University Press 2003 ix,144p. 24 cm. PB London Mathematical Society Student Texts v.55 Number theory Group theory Ramanujan Graphs Sarnak, Peter Valette, Alain _ 112837 LIBSC C 95623 95623 0 0 0 0 PU PU 2005-05-31 716.00 0 511.5 DAV 112837 BK