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Address : Department of Physics, Applied Mechanics and Higher Mathematics, Nizhny Novgorod State Agrotechnical University, 97 Gagarin Avenue, Nizhny Novgorod, 603950, Russia; - Department of Engineering and Technology of Railway Transport Nizhny Novgorod branch of Samara State Transport University, 3 Komsomol Square, Nizhny Novgorod, 603950, Russia |
