PEKÁR, Juraj - BREZINA, Ivan, ml. - ČIČKOVÁ, Zuzana. Portfolio return, taking into account the costs of financial transactions. In Quantitative methods in economics : multiple criteria decision making XVI : proceedings of the international scientific conference : 30th May - 1st June 2012, Bratislava, Slovakia. - Bratislava : Vydavateľstvo EKONÓM, 2012. ISBN 978-80-225-3426-0, s. 171-175.