000 00380nam a2200145Ia 4500
082 _a511.3
_bPOH
100 _aPolya, G
_9201763
245 _aHow to solve it
_b : a new aspect of mathematical method
_cPolya, G
250 _a2nd
260 _aNew Jersey:
_bPrinceton University Press,
_c1973
300 _b253p
546 _aeng
650 _aLogic, Symbolic
_911728
942 _cBK
999 _c93892
_d93892