NABYVACH, V. E. METHODOLOGICAL APPROACH A.I. KUKHTENKO TO DEVELOPMENT MATHEMATICAL (ABSTRACT) SYSTEM THEORY. Problems of Informatization and Management, [S. l.], v. 2, n. 11, p. 11–12, 2021. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/15889. Acesso em: 12 apr. 2026.