Baouche, Amar. “On the Existence of Solutions of a Nicoletti Problem for an Integro-Differential Equation With Advanced Argument”. Annales Mathematicae Silesianae 4 (September 28, 1990): 7–13. Accessed December 15, 2025. https://journals.us.edu.pl/index.php/AMSIL/article/view/14288.