00722naa#a2200205#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200009500109210005100204215001000255608002700265675010500292700003900397700003200436700003300468856001500501EN\INFRA-M\bibl\2805920240924235638.2##a2500-0535##a20190322b2019####ek#y0engy0150####ca0#aRUS##aRU1#aSolving a navigation problem with the total electron content model GEMTECeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2019##a3 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50zRUS#1aKholmogorovgAndrey Aleksandrovich#1aIvanovgVsevolod Borisovich#1aGorbachevgOleg Anatolyevich4#anaukaru.ru