@article{10_14712_1213_7243_2021_033, author = {Br\'od, Dorota and Szynal-Liana, Anetta and W{\l}och, Iwona}, title = {Bihyperbolic numbers of the {Fibonacci} type and their idempotent representation}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {409--416}, publisher = {mathdoc}, volume = {62}, number = {4}, year = {2021}, doi = {10.14712/1213-7243.2021.033}, mrnumber = {4405812}, zbl = {07511569}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2021.033/} }