Pelekh, Ya., A. Kunynets, and R. Pelekh. “TWO-SIDED METHODS FOR SOLVING INITIAL VALUE PROBLEM FOR NONLINEAR INTEGRO-DIFFERENTIAL EQUATIONS”. Journal of Numerical and Applied Mathematics 1, no. 2 (February 1, 2023): 116-121. Accessed November 13, 2025. https://jnam.knu.ua/index.php/jnam/article/view/153.