00734naa#a2200205#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200009500102210006500197215001000262608002700272675010500299700003900404700003200443700003300475856002000508EN\\bibl\2805920260315064955.7##a2500-0535##a20190322b2019####ek#y0engy0150####ca0#aRUS##aRU1#aSolving a navigation problem with the total electron content model GEMTECeJournal article1#aIrkutskcInstitute of Solar-Terrestrial Physics SB RASd2019##a3 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50zRUS#1aKholmogorovgAndrey Aleksandrovich#1aIvanovgVsevolod Borisovich#1aGorbachevgOleg Anatolyevich4#aras.editorum.ru