Сушич O. П. Optimizing the integrity of the global navigation satellite system. Problems of Informatization and Control, [S. l.], v. 4, n. 40, p. 89–93, 2012. DOI: 10.18372/2073-4751.4.7685. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/7685. Acesso em: 14 jun. 2026.