%0 Journal Article %A Bród, Dorota %A Szynal-Liana, Anetta %A Włoch, Iwona %T Bihyperbolic numbers of the Fibonacci type and their idempotent representation %J Commentationes Mathematicae Universitatis Carolinae %D 2021 %P 409-416 %V 62 %N 4 %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2021.033/ %R 10.14712/1213-7243.2021.033 %G en %F 10_14712_1213_7243_2021_033