Tomorrow's Math: Unsolved Problems for the Amateur (2nd edition) By C.Stanley Ogilvy
1972 | 206 Pages | ISBN: 0195015088 | DJVU | 1 MB
1972 | 206 Pages | ISBN: 0195015088 | DJVU | 1 MB
A description of over 150 problems from all branches of mathematics compiled to challenge the amateur mathematician.