Bourouis, B., H. Djeghloud, and H. Benalla. “Energy Efficiency of a 3-Level Shunt Active Power Filter Powered by a Fuel-Cell / Battery DC Bus With Regulated Duty Cycles”. Electrical Engineering & Electromechanics, no. 5, Oct. 2021, pp. 30-38, doi:10.20998/2074-272X.2021.5.05.