XIONG, Xiangtuan; MA, Xiaojun. A Backward Identification Problem for an Axis-Symmetric Fractional Diffusion Equation. Mathematical Modelling and Analysis, [S. l.], v. 22, n. 3, p. 311–320, 2017. DOI: 10.3846/13926292.2017.1309329. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/898. Acesso em: 9 may. 2025.