Mathematical puzzles and diversions.
"Gardner, Martin"
Mathematical puzzles and diversions. - "Middlesex, Eng." 1966 1982 - 154 p.: ill.
Puzzles
793.73 GAR
Mathematical puzzles and diversions. - "Middlesex, Eng." 1966 1982 - 154 p.: ill.
Puzzles
793.73 GAR