000 00381nam a2200145Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bP781
245 _aHow to solve it
_ba new aspect of mathematical method
260 _aPrinceton
_bUniversity Press
_c1945
300 _axv,204p.
650 _aMathematics
942 _cBK
999 _c103575
_d103575