Шибицький, В. П., and І. А. Бороденко. “Research of Numerical Methods of the Decision of Systems the Differential Equations”. Proceedings of National Aviation University (archive) 16, no. 1 (March 29, 2003): 33–40. Accessed April 23, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/11626.