20 - 22 November 2013 on the basis of Dnipropetrovsk National University . O.Gonchara was held XI International Scientific and Practical Conference " Mathematical and software of Intelligent Systems (MPZIS- 2013 ) ."

Senior Lecturer, Department of Chemical Technology of ceramics and refractories Shebanova NV made a presentation on "Addressing the optimization problem of linear programming in the manufacture of lightweight Dinas ", where highlighted the issue of optimization formulations siliceous masses for manufacturing lightweight silica refractories and study the influence of additives on the performance siliceous masses properties of silica lightweights using full factorial design ( full factorial experiment 2³).