“Generalised Mathematical Models and Internal Structures of Departments and Institutes As Blocks of the Third and Fourth Levels of Hierarchy University Sinergetic System Hierarchy”. Visnyk of Vinnytsia Politechnical Institute, no. 5 (November 12, 2010): 147–156. Accessed October 11, 2026. https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/1786.