FAIZIEV, V. A.; SAHOO, P. K. On Stability of the Cauchy Equation on Solvable Groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 67, n. 7, p. 1000–1005, 2015. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2039. Acesso em: 11 apr. 2025.