Ostapenko O. ENERGY EFFICIENCY OF ENERGY SUPPLY SYSTEMS WITH COGENERATION HEAT PUMP INSTALLATIONS АND PEAK SOURCES OF HEAT IN HEAT SUPPLY SYSTEMS. Scientific Works of Vinnytsia National Technical University [інтернет]. 26, Серпень 2016 [цит. за 07, Травень 2026];(2). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/472