LEADER 00000nam 2200193 a 4500 001 17820996 003 UkHlHU 007 t 008 000 020 014012067X 040 UkHlHU 050 4 GV 1493 K8 100 1 Kordemsky, Boris A. 245 14 The Moscow puzzles :|b359 mathematical recreations. 260 London :|bPenguin,|c1990. 300 311p. 650 0 Mathematics|xPuzzles and Games. 700 1 Gardner, Martin.
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