00757naa#a2200205#i#450# EN\INFRA-M\bibl\16405 20240514102809.2 2500-0535 20170505b2017####ek#y0engy0150####ca ENG RU Estimating the absolute total electron content based on single-frequency satellite radio navigation GPS/GLONASS data Journal article Moscow INFRA-M Academic Publishing LLC. 2017 9 с. Journal article local Геология. Геологические и геофизические науки. 55 ENG Yasyukevich Yury Vladimirovich Mylnikova Anna Aleksandrovna Ivanov Vsevolod Borisovich naukaru.ru