Vol 7, No 4 (2021)

Full Issue

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Table of Contents

Natalia Y. Vlasova, Elena A. Lyashenko
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214-224
Maria N. Makarova, Olga A. Pyshmintseva
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225-234
Marat T. Urdabaev, Rysbek E. Utkelbay
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235-243
Oleg S. Sukharev, Ekaterina N. Voronchikhina
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244-265
Victoria S. Beliaeva, Elena D. Frolova
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266-275
Semyon V. Vlasov
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276-288