000 00553nam a2200241Ia 4500
003 OSt
005 20220912151945.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a63784
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB, K26.1
100 _aPolya George
245 0 _cPolya George
_aMathematical discovery
260 _c1962
300 _ap.
_ccm.
650 _aMathematics
942 _hB, K26.1
_cTEXL
_2CC
999 _c78059
_d78059