000 00365 a2200133 4500
035 _a
090 _c15861
_d15861
100 _aPolya, George
245 _aDescoperirea in Matematica.Euristica rezolvarii problemelor
_cGeorge Polya
260 _aBucuresti
_bEd. Stiintifica
_c1971
300 _a501 p
_bill
_c20 cm
500 _aContine index
942 _aIMAR
_cCART
_sPG
999 _c15617
_d15617