000 00267nam a22000977a 4500
082 _a793.74
_bLEV
100 _a Levitin, Anany
245 _aAlgorithmic puzzles /
_cAnany Levitin, Maria Levitin
260 _aNew York ;
_bOxford University Press,
_c2011.
942 _cBK
999 _c616991
_d616991