Яновский, В. В., and М. В. Данилевский. “Statistical Properties of the Telephone Network”. Bulletin of V.N. Karazin Kharkiv National University, Series «Mathematical Modeling. Information Technology. Automated Control Systems», Vol. 43, Oct. 2019, pp. 65-75, doi:10.26565/2304-6201-2019-43-08.