TY - BOOK AU - Levitin,Anany AU - Levitin,Maria TI - Algorithmic puzzles SN - 9780199740444 (pbk.) U1 - 793.74 22 PY - 2011/// CY - Oxford, New York PB - Oxford University Press KW - Mathematical recreations KW - Algorithms N1 - Includes bibliographical references (p. [239]-246) and index ER -