Шибицький, В. П., and І. А. Бороденко. “Research of Numerical Methods of the Decision of Systems the Differential Equations”. Proceedings of National Aviation University 16, no. 1 (March 29, 2003): 33–40. Accessed July 24, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/11626.