“Application of Fourier transforms and wavelet-spectrograms for identification of distortion modes of distribution networks 0,38/0,22 kV” (2015) Visnyk of Vinnytsia Politechnical Institute, (1), pp. 71–79. Available at: https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/837 (Accessed: 11 October 2026).