Vestnik of Samara University. Natural Science SeriesVestnik of Samara University. Natural Science Series2541-75252712-8954Samara National Research University466310.18287/2541-7525-2013-19-6-74-84ON CHARACTERISTIC PROBLEMS FOR ONE HYPERBOLIC SYSTEM IN THREE-DIMENSIONAL SPACESozontovaE.A.morenov.sv@ssau.ruElabuga Institute of Kazan Federal University0206201319674840206201702062017Copyright © 2013, Sozontova E.2013We consider characteristic problems for a hyperbolic system with three independent variables. Using the Riemann method and theory of integral equations we obtain conditions of one-valued solvability for this problems.hyperbolic system, Riemann method, characteristic problemгиперболическая система, метод Римана, характеристическая задача