00484     2200181   4500001002100000008003900021035002000060245005500080100002000135260003100155300002600186020001800212084001600230082001000246650001800256990001400274990001400288INLIS000000000007012                                   N    a0010-0317007010  aNumber theory : Structures, examples, and problems  aAndreescu, Titu  aBoston :bBirkhauserc2009  axviii, 384hlm.c21 cm  a9780817632458  a512.7 And n  a512.7  aNUMBER THEORY  a065411212  a065411212