Lezhnyuk, Petro, Jean-Piere Ngoma, і Anton Kilimchuk. 2015. «AUTOMATION OF POWER FLUXES CONTROL IN ELECTRIC ENERGY SYSTEMS BY MEANS OF CROSS-TRANSFORMERS AND OPTIMUM MODES SIMILARITY». Scientific Works of Vinnytsia National Technical University, вип. 4 (Грудень). https://works.vntu.edu.ua/index.php/works/article/view/181.