Publication schedule
  • №2 June 2019
    Submission deadline: 5 March 2019
  • №3 September 2019
    Submission deadline: 5 July 2019
  • №4 December 2019
    Submission deadline: 5 October 2019
Chistyakova Lyudmila A.

Problems of XXI century
  • Year: 2013
  • Issue: 4
  • 437
  • 1027
  • Pages: 0-0