V.P. Evstigneev 1, 2, V.A. Naumova1, 2, N.A. Lemeshko3
1Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33
2Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28
3Saint-Petersburg State University, RF, Saint-Petersburg, Universitetskaya Emb., 7
E-mail: vald_e@rambler.ru
DOI: 10.33075/2220-5861-2021-3-15-22