TransliterationSmirnov S., Dmitriev P., Safronov G. Russkoe i slavyanskoe yazykoznanie v Rossii serediny XIX-nachala XX vv. In Russian
In EnglishSmirnov C., Dmitriev P., Safronov Mr.. Russian and Slavic linguistics in Russia mid XIX-beginning XX centuries. In Russian, Leningrad
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