Mathematical puzzles and diversions /
Gardner, Martin, 1914-
Mathematical puzzles and diversions / Martin Gardner - Harmondsworth : Penguin, 1965 - 154 p. : ill. ; 24 cm.
0140207139
Mathematical recreations
Mathematical puzzles and diversions / Martin Gardner - Harmondsworth : Penguin, 1965 - 154 p. : ill. ; 24 cm.
0140207139
Mathematical recreations
