Geodesic
A new class of nonlinear quinary codes
Diskretnaya Matematika, Tome 17 (2005) no. 4, pp. 7-17.

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In this paper, we construct two new families of nonlinear quinary codes, derived from the corresponding families of modified Butson–Hadamard matrices. These codes have the minimal distance close to the Plotkin bound and have very easy construction and decoding procedures. This research was supported by the Institute of Information Technology Assessment, South Korea. 
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S. A. Stepanov. A new class of nonlinear quinary codes. Diskretnaya Matematika, Tome 17 (2005) no. 4, pp. 7-17. http://geodesic.mathdoc.fr/item/DM_2005_17_4_a1/

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