Панін, В. В. “Mathematical Model of Acceleration of Three-Shaft Turbofan Engines With Coaxial Propellers”. Proceedings of National Aviation University (archive) 1, no. 1 (January 30, 1998): 39–42. Accessed April 22, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/10854.