The complex WKB method for a system of two linear difference equations
Algebra i analiz, Tome 33 (2021) no. 2, pp. 298-326.

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A. A. Fedotov. The complex WKB method for a system of two linear difference equations. Algebra i analiz, Tome 33 (2021) no. 2, pp. 298-326. http://geodesic.mathdoc.fr/item/AA_2021_33_2_a11/

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