УЖГА-РЕБРОВ, О.И. СРАВНИТЕЛЬНЫЙ АНАЛИЗ СТРУКТУР СЕТЕЙ УВЕРЕННОСТЕЙ. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 225–227, 1999. DOI: 10.17770/etr1999vol1.1870. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1870.. Acesso em: 29 feb. 2024.