Development and testing of algorithmic support of the expert system for selecting the optimal composition of multicomponent blast furnace charge in specific conditions of blast furnace operation - D. M. Tohobytska; A. I. Bielkova; I. H. Muraviova; N. H. Ivancha; D. O. Stepanenko; O. S. Nesterov; Yu M. Likhachov (Fundamental and applied problems of ferrous metallurgy, 2022)