1. E. T. Bell,
Exponential polynomials,
Ann. of Math. (2) 35 (1934), no. 2, 258–277.
2. E. T. Bell,
The iterated exponential integers,
Ann. of Math. (2) 39 (1938), no. 3, 539–557.
3. Y. Ben Cheikh,
Some results on quasi-monomiality,
Appl. Math. Comput. 141 (2003), 63–76.
4. A. Bernardini, P. Natalini and P. E. Ricci,
Multidimensional Bell polynomials of higher order,
Comput. Math. Appl. 50 (2005), no. 10–12, 1697–1708.
5. A. Bernardini and P. E. Ricci,
Bell polynomials and differential equations of Freud-type polynomials,
Math. Comput. Modelling 36 (2002), no. 9–10, 1115–1119.