Васильєв, В. В., Л. О. Сімак, and О. С. Воронова. “MATHEMATICAL MODELING OF DIFFERENTIAL EQUATIONS BY THE APPROXIMATING POLYNOMIAL SPECTRUM METHOD”. Proceedings of National Aviation University 14, no. 3 (March 15, 2021): 218–226. Accessed May 28, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/15238.