N.O. Znobishcheva, T.Kh. Galiev, R.R. Khatmullina, I.V. Ovsyannikova, A.A. Islamutdinova
«Ufa State Petroleum Technological University» branch in Sterlitamak, RF, Sterlitamak, October Av., 2.
E-mail: inna.ovsyannikova.80@mail.ru
DOI: 10.33075/2220-5861-2020-2-97-101
