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pro vyhledávání: '"D. V. Hvaley"'
Autor:
A. A. Mikhaylova, D. V. Hvaley
Publikováno v:
Russia: society, politics, history. :30-47
The degree of permeability of the state border is one of the determining factors in utilizing the potential of the economic-geographic position of border regions. In different time periods the level of border barrier varies and is determined by a com