00468naa#a2200169#i#450# EN\INFRA-M\bibl\908 20200709235739.4 2587-9103 20131215b2013####ek#y0engy0150####ca RUS RU Language Self-Identification of Informal Communication Sphere Article Moscow INFRA-M Academic Publishing LLC. 2013 6 с. Article local Larionova Alla naukaru.ru