000 00333nam a2200121Ia 4500
008 230413s9999||||xx |||||||||||||| ||und||
082 _a00HA
100 _aHardy, Kenneth (3-CARL); Williams, Kenneth S. (3-CARL)
245 4 _aThe green book of mathematical problems.
260 _bDover Publications
260 _c1997
942 _cBooks
999 _c1605
_d1605