TransliterationBolshaya Sovetskaya Entsiklopediya (BSE). V 65-ti tomakh. Tom 29 (dvadtsat devyatyy) Interpolyatsiya-Istoricheskoe yazykovedenie
In EnglishThe Great Soviet Encyclopedia (BSE). In 65 volumes. Volume 29 (Twenty-ninth) Interpolation-Historical Linguistics In Russian
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