КОНІН, В. В.; МЕЛКУМЯН, В. Г.; СУШИЧ, О. П. Satellite navigating systems availability estimation. Problems of Informatization and Control, [S. l.], v. 1, n. 12, p. 90–93, 2005. DOI: 10.18372/2073-4751.1.11491. Disponível em: https://jrnl.kai.edu.ua/index.php/PIU/article/view/11491. Acesso em: 19 oct. 2026.