Gotsulenko, V. і Poddubnaiy, O. (2015) «THE ANALYSIS OF ONE PROBLEM OF THE OPTIMUM APPROXIMATION ON THE LIMITING CYCLE», Scientific Works of Vinnytsia National Technical University, (2). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/153 (дата звернення: 9Травень2026).