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Enkhtur L., DoctorofSciences,Professor,NationalUniversityofMongolia (UlanBator,Mongolia),e-mail:rgalaa@yahoo.com

Emova Irina Anatol’evna,Candidate of Physics and Mathematics, Associate Professor, Zabaikalsky Institute of Entrepreneurship of Siberian University of Consume rCooperation (Chita,Russia),e-mail:hol47@yandex.ru

Evenko IrinaAnatol’evna, SeniorLecturer, StavropolInstituteofCooperation,Branchof BelgorodUniversityofCooperation,EconomicsandLaw (Stavropol,Russia)e-mail:irina.evenko@mail.ru