Bardyk, Eugen, and Nickolai Bolotnyi. “Development of a Mathematical Model for Cost Distribution of Maintenance and Repair of Electrical Equipment”. Eastern-European Journal of Enterprise Technologies 6, no. 8 (96) (November 19, 2018): 6–16. Accessed May 3, 2024. https://journals.uran.ua/eejet/article/view/147622.