PARK, C.-G. Stability of linear functional equations in Banach modules. Tamkang Journal of Mathematics, [S. l.], v. 35, n. 1, p. 29–36, 2004. DOI: 10.5556/j.tkjm.35.2004.223. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/223. Acesso em: 2 may. 2024.