Investigation of the operation mode at Ruse-Danube Bridge border checkpoint considered to be a mass service system with incoming flow of automobiles at a non-stationary mode of operation [Електронен ресурс]

Grozev, D., & Beloev, I. (). Investigation of the operation mode at Ruse-Danube Bridge border checkpoint considered to be a mass service system with incoming flow of automobiles at a non-stationary mode of operation [Електронен ресурс]. // <I>BulTrans 2018<D> : Intern. sci. conf. on ''Aeronautics, automotive and railway engineering and technologies BulTrans-2018, Sozopol, 15-17 sept. 2018 : MATEC Web of conf., 234, 2018, Art. № 06003, DOI: 10.1051/matecconf/201823406003.. (4953),