Stefańczak B. CONTROLLING A FOUR-WIRE THREE-LEVEL AC/DC CONVERTER WITH INDEPENDENT POWER CONTROL IN EVERY PHASE. IAPGOS [Internet]. 2021 Dec. 20 [cited 2024 Apr. 26];11(4):51-4. Available from: https://ph.pollub.pl/index.php/iapgos/article/view/2833