Коротич, Аліна Вікторівна. “Close Calculation of Coefficients of Fourier the Function of f(x;Y) With the Use a Spline Is Interlinacii Functions”. Technology audit and production reserves 5, no. 2(7) (September 18, 2012): 49–50. Accessed July 20, 2024. https://journals.uran.ua/tarp/article/view/4844.