| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| On the Higher-Order Sheffer Orthogonal Polynomial Sequences | 978-1-4614-5968-2 (1-4614-5968-0) | 2013 |
| On the Higher-Order Sheffer Orthogonal Polynomial Sequences | 978-1-4614-5970-5 (1-4614-5970-2) | 2013 |
D. G. · D. J. · Daniel J. · Daniel J. J. Galiffa · J. G.