Mathematical fun, games and puzzles.
Frohlichstein, Jack.
Mathematical fun, games and puzzles. - New York Dover Publications [1967] - 306 p. illus. 21 cm. 4.50
Mathematical recreations.
Puzzles.
Mathematical fun, games and puzzles. - New York Dover Publications [1967] - 306 p. illus. 21 cm. 4.50
Mathematical recreations.
Puzzles.