%0 Journal Article
%A Sergio A. Carrillo
%A Miguel Hurtado
%T Appell and Sheffer sequences: on their characterizations through functionals and examples
%J Comptes Rendus. Mathématique
%D 2021
%P 205-217
%V 359
%N 2
%I Académie des sciences, Paris
%R 10.5802/crmath.172
%G en
%F CRMATH_2021__359_2_205_0