Geodesic
Direct and Inverse Spectral Problems for (2N + 1)-Diagonal, Complex, Symmetric, Non-Hermitian Matrices
Serdica Mathematical Journal, Tome 30 (2004) no. 4, pp. 471-482.

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We give an easy procedure for solving of the direct and the inverse spectral problems for the equation. Guseynov used a procedure of the Gelfand-Levitan type for the case N = 1. We use another procedure and this procedure is more easy and transparent.
Keywords: Inverse Problems, Difference Equation 
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     title = {Direct and {Inverse} {Spectral} {Problems} for {(2N} + {1)-Diagonal,} {Complex,} {Symmetric,} {Non-Hermitian} {Matrices}},
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Zagorodnyuk, S. Direct and Inverse Spectral Problems for (2N + 1)-Diagonal, Complex, Symmetric, Non-Hermitian Matrices. Serdica Mathematical Journal, Tome 30 (2004) no. 4, pp. 471-482. http://geodesic.mathdoc.fr/item/SMJ2_2004_30_4_a0/