DonchevT., and NosheenA. “Fuzzy Functional Differential Equations under Dissipative-Type Conditions”. Ukrains’kyi Matematychnyi Zhurnal 65, no. 6 (June 25, 2013): 787–795. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2463.