00493nam a2200169 a 450000500170000002000180001708200150003510000330005024500310008326000420011430000250015669000180018196400160019999700190021599900190023495200700025320251203110850.0  a9780199227303  a512.7bVIL  aVillegas, Fernando Rodriguez  aExperimental number theory  aOxfordbOxford University Pressc2007  axvi, 214p.c24cm. PB  aNumber theory  bcdefg_  a127236 LIBSC C  c105455d105455  00104070aPUbPUd2008-01-30g1972.96l0o512.7 VILp127236yBK