Boris Zhelenkov, Irina Safonova, Yakov Goldovsky, and Elizaveta I. Dmitrieva. “Formation and Optimization of Transport Networks in the Conditions of the Digital Integral Environment for Transportation”. Communications - Scientific Letters of the University of Zilina, Vol. 22, no. 2, Apr. 2020, pp. 115-22, doi:10.26552/com.C.2020.2.115-122.