// <I>DS-ITNT 2017<D> : 3rd International conference ''Data science. Information technology and nanotechnology. Session Data science, Samara, 24-27 april 2017 : CEUR Workshop Proc., 1903, 2017, p. 110-114, DOI: 10.18287/1613-0073-2017-1903-110-114.
K. Shoylekova-Nikolova; K. Grigorova; E. Malysheva