I.V. Germashev, T.P. Mashihina, E.V. Derbisher, V.E. Derbisher, M.A. Kharitonov "Analysis of Fuzzy Data for the Selection of Ingredients of the Polymer Composition by Technical Functions in Quality Management", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 3, pp. 88-99 (2019).