Бояр-Созонович, С., КузнецовA., and Н. Гинтул. “Application and Calculation of Dielectric Amplifiers on Variable Speeds in the Schemes of Electric Drives and Self-Excited Asynchronous Generators.”. Electrotechnic and Computer Systems, no. 17(17), Feb. 2019, pp. 137-44, https://eltecs.op.edu.ua/index.php/journal/article/view/391.