“The Law of Transforming the Coefficients of a Trigonometric Fourier Series under the Mapping of a Continuous Function into a Discontinuous Function of the First Kind”, Вісник ВПІ, no. 3, pp. 37–44, Jun. 2018, Accessed: Oct. 12, 2026. Available: https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/2227