KHAN, Mumtaz Ahmad. A discrete analogue of Maclaurin series. Pro Mathematica, [S. l.], v. 12, n. 23-24, p. 67–74, 1998. Disponível em: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8129. Acesso em: 28 dic. 2025.