Гутник В.С.

S.A. Gutnik, V.S. Gutnik, L.A. Nichkova

 Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33

E-mail: gutnikserg@gmail.com, vsgutnik@sevsu.ru, nichkova@sevsu.ru

DOI: 10.33075/2220-5861-2019-2-142-145

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