Author Details
Author Details
Andreev, Sergey Mikhailovich, <div id="MathJax_Message" style="display: none;"></div>Nosov Magnitogorsk State Technical University<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML&delayStartupUntil=configured" type="text/java, Russian Federation