“A New Stator Voltage Optimal Control for Electrical Drives With Asynchronous Motors”. 1998. The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics 21 (December): 28-34. https://ojs.ugal.ro/index.php/eeaci/article/view/819.