00703nam a2200229 a 450000500170000002000150001708200150003210000230004724500650007026000480013530000240018349000520020769000180025969000170027769000210029470000180031570000190033396400160035299700190036899900170038795200690040420251203110607.0  a0523531438  a511.5bDAV  aDavidoff, Giuliana  aElementary Number Theory, Group Theory, and Ramanujan Graphs  aCambridgebCambridge University Pressc2003  aix,144p.c24 cm. PB  aLondon Mathematical Society Student Textsdv.55  aNumber theory  aGroup theory  aRamanujan Graphs  aSarnak, Peter  aValette, Alain  bcdefg_  a112837 LIBSC C  c95623d95623  00104070aPUbPUd2005-05-31g716.00l0o511.5 DAVp112837yBK