on periodic point and chaotic functions. Baghdad Science Journal, Iraq, Baghdad, v. 2, n. 3, p. 428–431, 2021. DOI: 10.21123/bsj.2005.2.3.428-431. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/634.. Acesso em: 2 may. 2024.