Ursaru, O., and C. Aghion. “Multilevel Inverters With Imbricated Switching Cells, PWM and DPWM-Controlled”. Elektronika ir Elektrotechnika 104, no. 8 (October 12, 2010): 23-26. Accessed December 4, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/9202.