| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| What Is Mathematics? An Elementary Approach to Ideas and Methods: An Elementary Approach to Ideas and Methods | 978-O-19-51O519-3 (O-19-51O519-2) | 1996 |
L. C. · L. R. · R. C. · R. Courant · Richard C. · Richard Courant · T. C. · T. R.