Geodesic
On conjugate-normal $(T+H)$-circulants and skew-circulants
Zapiski Nauchnykh Seminarov POMI, Computational methods and algorithms. Part XXIII, Tome 382 (2010), pp. 60-70

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A matrix $A$ is called a $(T+H)$-circulant (skew-circulant) if $A$ can be represented as a sum of a conventional (that is, Toeplitz) and a ankel circulants (respectively, skew-circulants). A complete description of the sets of conjugate-normal $(T+H)$-circulants and skew-circulants is given. Bibl. 3 titles. 
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     author = {Kh. D. Ikramov and V. N. Chugunov},
     title = {On conjugate-normal $(T+H)$-circulants and skew-circulants},
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     volume = {382},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2010_382_a5/}
}
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Kh. D. Ikramov; V. N. Chugunov. On conjugate-normal $(T+H)$-circulants and skew-circulants. Zapiski Nauchnykh Seminarov POMI, Computational methods and algorithms. Part XXIII, Tome 382 (2010), pp. 60-70. http://geodesic.mathdoc.fr/item/ZNSL_2010_382_a5/