A. A. Fedotov, E. V. Shchetka, “Complex WKB method for the difference Schrödinger equation with the potential being a trigonometric polynomial”, Algebra i Analiz, 2017, Volume 29, Issue 2,Pages <nobr>193

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Algebra i Analiz, 2017 Volume 29, Issue 2, Pages 193–219 (Mi aa1539)

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Research Papers

Complex WKB method for the difference Schrödinger equation with the potential being a trigonometric polynomial

A. A. Fedotov, E. V. Shchetka

St. Petersburg State University, St. Petersburg, Russia

Received: 10.10.2016

English version: St. Petersburg Mathematical Journal, 2018, 29:2, 363–381

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