@article{COMIM_2021_29_1_a1,
     author = {Contreras, Daniel Uzc\'ategui and Goyeneche, Dardo and Turek, Ond\v{r}ej and V\'aclav{\'\i}kov\'a, Zuzana},
     title = {Circulant matrices with orthogonal rows and off-diagonal entries of absolute value $1$},
     journal = {Communications in Mathematics},
     pages = {15--34},
     year = {2021},
     volume = {29},
     number = {1},
     mrnumber = {4251308},
     zbl = {07413355},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2021_29_1_a1/}
}