Khvorost, M., et al. “TECHNOLOGY OF OPERATION OF CITY ELECTRICAL SYSTEMS WITH TRACTION LOADS BASED ON ENERGY AND RESOURCES SAVING: Array”. Municipal Economy of Cities. Series: «Economy Science», vol. 1, no. 154, Apr. 2020, pp. 16-27, https://khges.kname.edu.ua/index.php/khges/article/view/5525.