@article{1103044961, author = {Varga, Richard S.}, title = {Eigenvalues of circulant matrices.}, journal = {Pacific J. Math.}, volume = {4}, number = {4}, year = {1954}, pages = { 151-160}, language = {en}, url = {http://dml.mathdoc.fr/item/1103044961} }
Varga, Richard S. Eigenvalues of circulant matrices.. Pacific J. Math., Tome 4 (1954) no. 4, pp. 151-160. http://gdmltest.u-ga.fr/item/1103044961/