00596naa#a2200181#i#450# EN\INFRA-M\bibl\37977 /en/manage/index 20241106203048.3 2500-0497 20200604b2020####ek#y0engy0150####ca RU Historical background of ethnic diversity issue in the context of Federalism in Belgium Journal article Moscow INFRA-M Academic Publishing LLC. 2020 3 с. Journal article local Всеобщая история. 94 Ivanova V. V. test.editorum.ru /en/manage/index