Authors
G.A. Kaptagay
Kazakh State Women’s Teacher Training University, Almaty, Kazakhstan
Yu.A. Mastrikov
Institute of Solid State Physics, University of Latvia
E.A. Kotomin
Institute of Solid State Physics, University of Latvia
© 2018 G.A. Kaptagay, Yu.A. Mastrikov, E.A. Kotomin, published by Institute of Physical Energetics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.