Studying the Transition Problems from Antiquity to Middle Ages in the Russian Historiography

Nikolay N. Bolgov, Anna M. Bolgova, Vitaliy V. Penskoy, Vasiliy V. Lipich, Vladimir N. Shilov and Marina Yu. Lopatina

The Social Sciences 11 ( 10 ): 2371 - 2375 , 2016