A study of the impact of a peacekeeping operation undertaken by an international organization or third party on the territory of Ukraine and the potential interface with the Ukrainian domestic legal system.

International legal peacekeeping mechanisms / O.V. Kresin -- Experience with United Nations peacekeeping operations / O.M. Stoyko -- International-legal aspects of determining character of aggression of Russian Federation in Donbas and international peacekeeping operation / K.O. Savchuk -- Distinctive features of legal status and activity of international peacekeeping mission in Donbas / I.M. Protsenko.