00526naa#a2200181#i#450# EN\INFRA-M\bibl\12788 20250203104420.1 2500-0527 20160725b2016####ek#y0engy0150####ca RUS RU Traffic billing system in the fourth-generation mobile networks Journal article Moscow INFRA-M Academic Publishing LLC. 2016 0 с. Journal article local Kaplinskiy Aleksandr Sosenushkin S. zh-szf.ru