000			00374 a2200157 4500
020			_a9780387208602
082			_a512.7 _bGUY
090			_c2777 _d3404
100			_aGuy, Richard K.
245			_aUnsolved problems in number theory
250			_a3rd
260			_aNew York _bSpringer _c2004 _g2004
300			_axviii, 437p. _c24cm.
650			_aNUMBER THEORY
942			_cSR
999			_c31826 _d31826