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This journal is published by Tver State University, Tver, Russia.

You can contact us by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; phone +7 (4822) 58-56-83

Our address:
Faculty of Mathematics - Publishing Team,
Tver State University,
Sadovyj per. 35,
Tver,
170002,
Russia