000 00553nam a22002057a 4500
001 9585
003 BD-DhUET
008 150131b xxu||||| |||| 00| 0 eng d
020 _a0471089753
040 _cDLC
_dBD-DhUET
082 _a510.76
_bPOL/1982
100 _aPolya, George
245 _aMathematical discoverys
_bon understanding learning & teching problem solving
250 _aCombined ed.
260 _aNew York
_bJohn Wiley
_c1982
300 _axxv,220p.
504 _aIncludes bibliographies
650 0 _aMathematics problems
942 _cGB
999 _c9585
_d9585