c.
Ергалиев, Д., С. Каримов, А. Советкажиев, Д. Алимов, А. Куандыкова, and Р. Социалов. “Research of Signal Modulations of the Global Navigation Satellite System”. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES, vol. 131, no. 2, July 2022, pp. 23-34, doi:10.32523/2616-6836-2020-131-2-23-34.