Analysis of Backward Source Problems for Some Fractional Order Differential Equations. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 3, p. 1028–1051, 2026. DOI: 10.66021/. Disponível em: https://amresearchjournal.com/index.php/Journal/article/view/2509. Acesso em: 29 sep. 2026.