000 00361 a2200145 4500
020 _a0387955291
082 _a512.7
_bBAR
090 _c2803
_d3442
100 _aBarbeau, Edward J.
245 _aProblem books in mathematics
_bpell's equation
260 _aNew York
_bSpringer
_c2003
_g2003
300 _axi, 213p.
_c24cm
650 _aNumber theory
942 _cSR
999 _c31850
_d31850