@article{01669817,
title = {Circulant matrices.},
journal = {Divulgaciones Matem\'aticas},
volume = {9},
year = {2001},
pages = {85-102},
zbl = {0993.15026},
language = {en},
url = {http://dml.mathdoc.fr/item/01669817}
}
Lara, Teodoro. Circulant matrices.. Divulgaciones Matemáticas, Tome 9 (2001) pp. 85-102. http://gdmltest.u-ga.fr/item/01669817/