All polynomials of binomial type are represented by Abel polynomials
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 25 (1997) no. 3-4, pp. 731-738. 
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     title = {All polynomials of binomial type are represented by {Abel} polynomials},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
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Rota, Gian-Carlo; Shen, Jianhong; Taylor, Brian D. All polynomials of binomial type are represented by Abel polynomials. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 25 (1997) no. 3-4, pp. 731-738. http://www.numdam.org/item/ASNSP_1997_4_25_3-4_731_0/

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