TEAM, S. The Stability of an Additive-Quartic Functional Equation in Quasi-$\beta$-Normed Spaces with the Fixed Point Alternative: Anurak Thanyacharoen, Wutiphol Sintunavarat. Thai Journal of Mathematics, [S. l.], v. 18, n. 2, p. 577–592, 2020. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1018. Acesso em: 22 dec. 2024.