Riddles of the sphinx & other mathematical puzzle tales
Gardner, M
Riddles of the sphinx & other mathematical puzzle tales M. Gardner - Washington Mathematical Association of America 1987 - x 164 - New mathematical library 32 .
0883856328
Riddles of the sphinx & other mathematical puzzle tales M. Gardner - Washington Mathematical Association of America 1987 - x 164 - New mathematical library 32 .
0883856328