ЯЗЫКОВАЯ СИТУАЦИЯ В ДРЕВНЕЙ РУСИ: ДВУЯЗЫЧИЕ ИЛИ ДИГЛОССИЯ? (ВЗГЛЯДЫ ЛИНГВИСТОВ НА ПРОБЛЕМУ)

In the article for the rise of historiographic knowledge level on the lingual situation in Kiev Russia their main doctrines on the dedicated problem are examined. As well there opposite bilingualism and diglossia conceptions analyzed, however, these items can not to give answer on the question about the Church- and the East-Slavonic lingual elements existing in the Old Russian period. There reasons of such situation concealed in the concerned period remoteness and, as the result, impossibility of the access to all the lingual manifestation facts under the Old Russia and, therefore, complicates to do impartial conclusions on this subject. Basing on the current facts and studies analysis we come to the conclusion that the lingual situation under the Old Russia was more complicated and miles better than bilingualism or the diglossia in their straight manifestations.