HISTORICAL AND FUNCTIONAL STRATIFICATION OF THE KUMYK LANGUAGE IN ITS ETHNOAREAL CONTEXT OF EARLY (BEFORE 18th CENTURY) CONTACT RELATIONS WITH THE RUSSIAN LANGUAGE
Vestnik Moskovskogo gosudarstvennogo oblastnogo universiteta. Seriâ Russkaâ filologiâ/Vestnik Moskovskogo gosudarstvennogo oblastnogo universiteta. Seriâ: Russkaâ filologiâ