“Existence, Uniqueness of solutions for Set Differential Equations Involving Causal Operators with Memory”, Eur. J. Pure Appl. Math., vol. 3, no. 4, pp. 737–747, Sep. 2010, Accessed: Apr. 05, 2025. [Online]. Available: https://www.ejpam.com/index.php/ejpam/article/view/891