1. Nikitin A.B., Boltaev S.T. Ocenka sostoyaniya infrastruktury' jeleznodorojnoy avtomatiki i telemehaniki Uzbekistana dlya vvedeniya vy'sokoskorostnogo dvijeniya // Avtomatika na transporte [Nikitin, A.B.; Boltaev, S.T. Assessment of infrastructure of railway automatics and telemechanics of Uzbekistan for introduction of high-speed traffic. Automation on transport]. - 2015. - №3.Tom1. - S.251-267. 2. Vasilenko M. N. E`lektronny'y dokumentooborot v hozyaystve SCB / M. N. Vasilenko, V. G. Trohov, D. V. Zuev // Avtomatika svyaz', informatika [Vasilenko, M.N.; Trokhov, V.G.; Zuev, D.V. Electronic document management in the sector signaling, centralization and blocking. Avtomation, communication, Informatics]. - 2014. - № 8. -S. 2-3. 3. Bulavskiy P. E., Baratov D. H. Principy' organizacii i osobennosti e`lektronnogo dokumentooborota tehnicheskoy dokumentacii slujby' avtomatiki i telemehaniki jeleznoy dorogi //Avtomatika i telemehanika jelezny'h dorog Rossii. Tehnika, tehnologiya, sertifikaciya [Bulavsky P.E.; Baratov D.Kh. Principles of organization and features of electronic document circulation of technical documentation of the service of automatics and telemechanics of the railway // Automation and telemechanics of the railways of Russia. Technology, technology, certification]. - 2008. - S. 31-37. 4. Bulavskiy P.E. Konceptual'naya model' e`lektronnogo dokumentooborota tehnicheskoy dokumentacii // CHEMICAL TECHNOLOGY. CONTROL AND MANAGEMENT. Special issue №4-5 / 2018 46 Transport Rossiyskoy Federacii [Bulavsky, P.Y. Conceptual model of electronic document management of technical documentation. The Transport Of The Russian Federation]. - 2011. - №1(32). - C. 60-63. 5. Krukovskiy M.YU. Grafovaya model' kompozitnogo dokumentooborota // Matematichni' mashini i' sistemi [Krukovsky, M. Yu. Graph model of composite workflow. Mathematical machines and systems]. - 2005. - № 3. - S. 149-163. 6. Baratov D.H. Perspektivy' razvitiya vy'sokoskorostnogo dvijeniya i voprosy' vnedreniya e`lektronnogo oborota tehnicheskoy dokumentacii na jelezny'h dorogah Uzbekistana // Baratov D.H., Aripov N.M. // Innovacionny'y transport [Baratov, D.Kh; Aripov, N.M. Prospects for the development of high speed movement and the questions of introduction of electronic circulation of technical documentation on the Railways of Uzbekistan. Innovative transport]. 2016. № 2 (20) <http://elibrary.ru/contents.asp?issueid=1600568&selid= 26557021>. S. 10-14. 7. Diestel R. Graph Theory, Electronic Edition <http://diestel-graph-theory.com/GrTh.html>. - NY: Springer-Verlag, 2005. - S. 422. 8. Baratov D. H., Aripov N. M., Muhammedhodjaev S. B. Formalizovannaya shema sistem upravleniya i vedenie tehnicheskoy dokumentacii //Vestnik TashIIT [Baratov D.Kh.; Aripov N.M.; Muxammedxodjaev S.]. - 2014. - №. 1/2. - S. 81-84.