Prokudin, G., O. Chupaylenko, O. Dudnik, A. Dudnik, and D. Omarov. “Improvement of the Methods for Determining Optimal Characteristics of Transportation Networks”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 3 (84), Dec. 2016, pp. 54-61, doi:10.15587/1729-4061.2016.85211.