ON GENERALIZED HYERS-ULAM STABILITY RESULTS FOR QUADRATIC JENSEN FUNCTIONAL EQUATIONS IN QUASI-β-NORMED SPACES. Journal of Mathematical Analysis, [S. l.], v. 17, n. 01, p. 103–126, 2026. DOI: 10.5281/j3h7wy68. Disponível em: https://scopushub.com/index.php/JMA/article/view/28. Acesso em: 4 aug. 2026.