American Mathematical Society · Chelsea Pub Co
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Solved and Unsolved Problems in Number Theory | 978-0-8218-2824-3 (0-8218-2824-X) | 2002 |
| Solved and Unsolved Problems in Number Theory | 978-0-8284-1297-1 (0-8284-1297-9) | 1993 |