000 00589 a2200265 4500
001 1015092
020 _a978-0-14-012499-6
041 _aeng
080 _a51Pol(3)
245 _aHow to solve it : a new aspect of mathematical method
250 _a2nd ed
260 _aLondon
260 _bPenguin Books
260 _c1990
300 _axli,253 p.
300 _c23 cm
490 _a
100 _aPolya, G.
700 _a
650 _a
650 _aMathematics
650 _aMathematics-Study and teaching , Mathematics-Problems, exercises, etc
942 _cBK
942 _2UDC
999 _c142330
_d142330