Tomorrow's math : unsolved problems for the amateur /
Ogilvy, C. Stanley.
Tomorrow's math : unsolved problems for the amateur / C. Stanley Ogilvy. - New York : Oxford University Press, 1962. - 182 p.
Mathematics--Problems, exercises, etc.
Tomorrow's math : unsolved problems for the amateur / C. Stanley Ogilvy. - New York : Oxford University Press, 1962. - 182 p.
Mathematics--Problems, exercises, etc.