Ingenious mathematical problems and methods.
L A Graham
Ingenious mathematical problems and methods. - New York Dover Publications [1959] - 237p 20cm
486205452
5911841
Mathematical recreations.
Mathematics
Problems, exercises, etc.
Jeux mathématiques.
510 G7398i
Ingenious mathematical problems and methods. - New York Dover Publications [1959] - 237p 20cm
486205452
5911841
Mathematical recreations.
Mathematics
Problems, exercises, etc.
Jeux mathématiques.
510 G7398i