Oggier, E., F. Botterón, J. . Ochoa Sosa, G. G. Oggier, and G. O. García. “Digital Control of a Three-Phase Four-Leg Inverter to Feeds Non-Linear Loads”. IEEE Latin America Transactions, vol. 19, no. 5, June 2021, pp. 780-9, https://latamt.ieeer9.org/index.php/transactions/article/view/3985.