DAS, Barun; MAHAPATRA, Nirmal Kumar; MAITI, Manoranjan. Initial‐valued first‐order fuzzy differential equation in Bi‐level inventory model with fuzzy demand. Mathematical Modelling and Analysis, [S. l.], v. 13, n. 4, p. 493–512, 2008. DOI: 10.3846/1392-6292.2008.13.493-512. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/7037. Acesso em: 2 jun. 2025.