K voprosu o kriteriiakh periodizatsii istorii // [Concerning Criteria for the Periodization of History]
"K voprosu o kriteriiakh periodizatsii istorii // [Concerning Criteria for the Periodization of History]", Novaia i Noveishaia Istoriia
In Novaia i Noveishaia Istoriia, vol. 1, pp. 3-12