Chalyi, Serhii, Volodymyr Leshchynskyi, and Irina Leshchynska. 2022. “RELATIONAL-TEMPORAL MODEL OF SET OF SUBSTANCES OF SUBJECT AREA FOR THE PROCESS OF SOLUTION FORMATION IN INTELLECTUAL INFORMATION SYSTEMS”. Bulletin of National Technical University "KhPI". Series: System Analysis, Control and Information Technologies, no. 1 (7) (July):84-89. https://doi.org/10.20998/2079-0023.2022.01.14.