000 00624nam a2200241 4500
001 7711
010 _a0-387-90593-6
_bencadernado
_dEsc 1 905$
090 _a7711
100 _a19941109d1981 k||y0pory50 ba
101 0 _aeng
102 _aUS
200 1 _aUnsolved problems in number theory
_fRichard K. Guy
210 _aNew York
_cSpringer-verlag
_dcop. 1981
215 _aXVIII, 161 p.
_cil.
_d25 cm
225 2 _aProblem books in mathematics
606 _94433
_aTeoria dos nĂºmeros
680 _aQA241
700 1 _aGuy
_bRichard K.
801 0 _gRPC
_aPT
942 _2lcc
_cA
_n0