Dolia, Viktor     Determination of the chance dynamics of parameters and indicators of functioning the urban passenger systems [Текст] / Viktor Dolia, Igor Ivanov, Roman Rogalskyi // Transport Problems 2015 : proc. VII Intern. sci. conf., 24-25 June 2015, Katowice, Opole. IV Intern. symp. of young researchers, 22-23 June 2015, Katowice / Silesian Univ. of Technology, Fac. of Transport. — Katowice, 2015. — P. 647-657.