HASSAN, H.; TAHIR, A. Developing the Third Order Linear and Nonlinear Fuzzy Ordinary Differential Equations in Hilbert Space by the Extension Principle. UMYU Scientifica, [S. l.], v. 2, n. 3, p. 71–75, 2023. DOI: 10.56919/usci.2323.012. Disponível em: https://scientifica.umyu.edu.ng/index.php/scientifica/article/view/236. Acesso em: 7 oct. 2024.