Spectral Treatment of Distributed-Order Caputo Models: Applications to Nonlinear Fractional Sine and Klein-Gordon Differential Equations. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 6871–6894, 2025. DOI: 10.37256/cm.6520257647. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/7647. Acesso em: 24 dec. 2025.