Mokin, Boris, і Vyacheslav Kaminsky. «METRIC IN SPACE OF THE DIRECTED LEVELS OF MEMBERSHIPS OF POORLY SET PARAMETERS OF COMPLEX SYSTEMS». Scientific Works of Vinnytsia National Technical University, no. 2 (Грудень 2, 2015). дата звернення Травень 4, 2026. https://works.vntu.edu.ua/index.php/works/article/view/150.