Motzkin Numbers: an Operational Point of View. - M. Artioli; Giuseppe Dattoli; Silvia Licciardi; S. Pagnutti (J. Integer Seq., 2018)

Theory of Hermite and Laguerre Bessel function from the umbral point of view. - M. Artioli; Giuseppe Dattoli; U. Zainab (Appl. Math. Comput., 2025)