“Schemes of approxіmatіon of boundary-value problems for іntegro-dіfferentіal equatіons wіth delay” (2023) Neliniini Kolyvannya, 26(1), pp. 33–41. Available at: https://nosc.imath.kiev.ua/index.php/nosc/article/view/1088 (Accessed: 11 April 2026).