000 00547nam a2200217Ia 4500
008 230524s9999 xx 000 0 und d
020 _a0198532946
040 _cUDSM
050 _aMATH QA63.C64
100 _aCofman, Judita
245 0 _aWhat to solve? Problem and suggestions for young mathematicians
260 _aOxford
260 _bClarendon Press
260 _c1990
300 _axiii,250p.
300 _c24cm.
650 _aProblem solving
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c69736
_d69736