Falko, S. 2022. Activities of Military Training Missions of European Countries and the United States in the Armies of States, Transforming the Armed forces (the last third of the XIXth – the first third of the XXth Centuries): Problems and Prospects of Research. Problems of World History. 18 (Nov. 2022), 41–64. DOI:https://doi.org/10.46869/2707-6776-2022-18-2.