000 00315nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a894396409
100 _aWeisstein, Eric W
245 0 _aCrc Concise Encyclopedia of Mathematics
260 _bCrc Press
_aBoca Raton
_c1998
650 _aMathematics
942 _cBK
999 _c11733
_d11733