On IF-numbers

Kluvancová, Daniela, 1990-

On IF-numbers / Daniela Kluvancová, Beloslav Riečan

In Notes on intuitionistic fuzzy sets : 20th ICIFS, 2-3 September 2016, Sofia. -- Sofia : Bulgarian academy of sciences, 2016. -- ISSN 1310-4926. -- Vol. 22, no. 3 (2016), s. 9-14