Pietrzak, Przemysław, and Marcin Wolkiewicz. “Stator Winding Fault Detection of Permanent Magnet Synchronous Motors Based on the Bispectrum Analysis”. Bulletin of the Polish Academy of Sciences Technical Sciences 70, no. 2 (February 28, 2022): e140556. Accessed October 17, 2026. https://wydawnictwo.pan.pl/index.php/bpasts/article/view/7406.