HORÁKOVÁ, Galina - SLANINKA, František. Optimal Reinsurance of Very Large Losses Using the Semi-Variance. In Managing and Modelling of Financial Risks. International Scientific Conference. Managing and Modelling of Financial Risks (Part I.) : Proceedings of 9th International Scientific Conference, 5th – 6th September 2018, Ostrava, Czech Republic. - Ostrava : VŠB - Technical University of Ostrava, 2018. ISBN 978-80-248-4225-7. ISSN 2464-6970, pp. 171-178 online.