00335nam a2200121 a 450000500170000002000150001708200160003210000220004824500280007026000420009830000270014049000460016720251203110159.0  a0849339898  a512.74bMOL  aMollin, Richard A  aAlgebraic number theory  aBoca RatonbChapman & Hall /CRCc1999  axiv, 483p.c23 cm H.B.  aDiscrete mathematics and its applications