Sinitsyn Fedor L. RussiaMoscowState University of Land Use Planning, 15 Kazakova St., Moscow 105064, Russiaдоцентдоктор исторических наукpermcavt@gmail.com Author's articles Accelerated Modernization of the “Nomadic” Regions of the USSR: Goals and Objectives (on the Turn of the 1920s and 1930s) The Concept of ‘Developed Socialism’ as response of the USSR to ideological and socio-economic challenges of the time (1964–1982)