Email this article 
Copyright (c) 2019 Atanesyan R.A., Uglova T.A., Vdovina T.M., Klimov L.Y., Kostanova M.U., Kuryaninova V.A., Stoyan M.V., Alaverdyan L.S., Dolbnya S.V.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.