O.V. Druzhinina - Dr.Sc. (Phys.-Math.), Professor, Chief Research Scientist, FRC «Computer Science and Control» of RAS (Mocsow). E-mail: ovdruzh@mail.ru O.N. Masina - Dr.Sc. (Phys.-Math.), Head of of Department Mathematical Modeling and Computer Technologies, Yelets State University named after I.A. Bunin. E-mail: olga121@inbox.ru A.V. Shcherbakov - Post-graduate Student, Department Mathematical Modeling and Computer Technologies, Yelets State University named after I.A. Bunin. E-mail: shcherbakov_al.vl@mail.ru