A.B. Polonsky1, 2, A.V. Torbinskii1
1Institute of Natural and Technical systems, 28 Lenin str., Sevastopol, Russian Federation
E–mail: apolonsky5@mail.ru
2Sevastopol Branch of Lomonosov Moscow State University, 7 Heroes of Sevastopol str., Sevastopol, Russian Federation
E–mail: uzundja@mail.ru
DOI: 10.33075/2220-5861-2018-4-89-93