KALINA, Martin - KRÁĽ, Pavol. Uninorms on interval-valued fuzzy sets. In International conference on information processing and management of uncertainty in knowledge-based systems, IPMU 2016. medzinárodná konferencia. Information processing and management of uncertainty in knowledge-based systems : proceedings, 16th International conference, IPMU 2016, Eindhoven, June 20–24, 2016. 2. part. 1. vyd. - Cham : Springer, 2016. ISBN 978-3-319-40580-3, s. 522-531. Dostupné na: https://doi.org/10.1007/978-3-319-40581-0_42.