Computational and Information Technologies in Science, Engineering and Education 9th International Conference, CITech 2018, Ust-Kamenogorsk, Kazakhstan, September 25-28, 2018, Revised Selected Papers - Shokin, Yuri; Shokin, Yuri; Shaimardanov, Zhassulan; Shaimardanov, Zhassulan (Springer International Publishing : Imprint: Springer, 2019)