Cybernetics and mathematics applications in intelligent systems : proceedings of the 6th Computer science on-line conference 2017. 26.4. - 29.4. 2017, Praha, ČR. Vol. 2. vol. 2. 1. vyd. Cham Springer International Publishing AG 2017. 448 s. Advances in Intelligent Systems and Computing. ISBN 978-3-319-57263-5. ISSN 2194-5357.