A quick proof of the regularity of the flow of analytic vector fields

Sergio A. Carrillo

Comptes Rendus. Mathématique, Volume 359 (2021) no. 9 p. 1155-1159

Appell and Sheffer sequences: on their characterizations through functionals and examples

Sergio A. Carrillo; Miguel Hurtado

Comptes Rendus. Mathématique, Volume 359 (2021) no. 2 p. 205-217