Molybai kyzy, Altynai, Akmaral Sarman, и Aigerim Tankeyeva. «Boundary Value Problem for a System of Fredholm Integro-Differential Equations With Maxima». Journal of Osh State University. Differential Equations, no. 1 (январь 10, 2026): 15–23. просмотрено август 18, 2026. https://journal.oshsu.kg/index.php/diffeq/article/view/3577.