Journal of Mathematical Sciences: Advances and Applications[1] Philip J. Davis, Circulant Matrices, Wiley Interscience, New York,
1974.
[2] Teodoro Lara, Matrices circulants, Divulgaciones Matemáticas
9(1) (2001), 85-102.
[3] Thomas Muir, The theory of circulants in the historical
development up to 1860, Proc. Royal Soc. Edinburgh 2 (1906),
390-398.
[4] Alan C. Wilde, Transformations leaving the determinant of
circulant matrices invariant, Amer. Math. Monthly, 93(5) (1986),
356-361.
