Authors
Ilchenko Angelina
Ivanovo State University of Chemical Technology,, Ivanovo, Russian Federation
Stepanov Vladimir
Central Economic-Mathematical Institute of the Russian Academy of Sciences,, Moscow, Russia
© 2017 Ilchenko Angelina, Xiang Xiao Gang, Stepanov Vladimir, published by University College of Economics and Culture
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.