О.О. Rybak1,2, Е.А. Rybak2,1
1Branch of Institute of Natural and Technical Systems, Sochi, Kurortny Av., 99/18
E-mail: o.o.rybak@gmail.com
2Sоchi Scientific Research Center, Russian Academy of Sciences, Sochi, Theatralnaya St., 8a
E-mail: elena.rybak@gmail.com
DOI: 10.33075/2220-5861-2017-3-100-108