Tkachuck, P. P., V. V. Lytvyn, and E. V. Luchuk. “Structural Model of the Ukraine Arms Ground Forces Information Space on the Basis of Ontological Approach”. Military Technical Collection, no. 9 (November 9, 2013): 43–46. Accessed March 9, 2022. http://vtz.asv.gov.ua/article/view/160485.