Ковалевський, Е.О., and О.В. Куценко. “Satellite Radio Navigation System Integrity Control Method With Kalman Filters Group”. Proceedings of National Aviation University 43, no. 2 (February 1, 2010): 66–69. Accessed July 17, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1851.