V.P. Evstigneev1,2, V.A. Naumova2, D.Yu.Voronin1, M.P. Evstigneev1
1Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33
2Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28
E-mail: vald_e@rambler.ru
DOI: 10.33075/2220-5861-2020-4-20-28