000 00398nam a2200157Ia 4500
008 240704s1973 xx 000 0 und d
020 _a9780691023565
041 _aeng
082 _a510.7 POL
100 _aG Polya
245 _aHow to solve it: A New Aspect of Mathematical Method
250 _a1st ed.
260 _bPrinceton University Press
_c1973
300 _a253
650 _aMathematics
999 _c18494
_d18494