Open AccessOn the formation of the Russian-Ukrainian border in the south of the Central Black Earth Region in 1917–1925
Author(s) -
I.E. Tatarinov
Publication year - 2019
Publication title -
ojkumena
Language(s) - English
Resource type - Journals
ISSN - 1998-6785
DOI - 10.24866/1998-6785/2019-1/103-113
Subject(s) - ukrainian , geology , political science , geography , philosophy , linguistics