00552naa#a2200181#i#450# EN\\bibl\85696 20241127072414.3 2658-3569 20170625b2017####ek#y0engy0150####ca ENG RU TELECOMMUNICATIONS MARKET ANALYSIS. THE RISKS OF THE PAO VIMPELCOM ENTERPRISE Journal article Moscow Electronic science 2017 0 с. Journal article local Экономика транспорта и связи. 338.47 ENG e-integral.ru