Shpak, O. (2017) «ANALYSIS OF POWER TRANSFORMER IMPACT ON STEADY-STATE MODE OF ELECTRIC GRID BASED ON CAUCHY EQUATION», Scientific Works of Vinnytsia National Technical University, (4). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/489 (дата звернення: 21Червень2026).