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Clark S, Gesztesy F. Weyl-Titchmarsh M-Function Asymptotics, Local Uniqueness Results, Trace Formulas, and Borg-type Theorems for Dirac Operators[J]. Transactions of the American Mathematical Society, 2001, 354(9): 3475-3534.
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Gesztesy F, Trachenko V. A criterion for Hill operators to be spectral operators of scalar type[J]. Journal D Analyse Mathematique, 2009, 107(1): 287-353.
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Fritz Gesztesy · Vadim Tkachenko. A Schauder and Riesz Basis Criterion for Non-Self-Adjoint Schr\"odinger Operators with Periodic and Antiperiodic Boundary Conditions. 2011.
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Correa F, Dunne G V, Plyushchay M S, et al. The Bogoliubov/de Gennes system, the AKNS hierarchy, and nonlinear quantum mechanical supersymmetry[J]. Annals of Physics, 2009, 324(12): 2522-2547.
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Ahmad S, Chowdhury A R. On the quasi-periodic solutions to the discrete nonlinear Schrodinger equation[J]. Journal of Physics A, 1987, 20(2): 293-303.
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Cascaval R C, Gesztesy F, Holden H, et al. Spectral Analysis of Darboux Transformations for the Focusing NLS Hierarchy[J]. Journal D Analyse Mathematique, 2002, 93(1): 139-197.
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Gesztesy F, Holden H. Darboux-type transformations and hyperelliptic curves[J]. Crelle\u0027s Journal, 1999, 2000(527): 151-183.
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Gesztesy F, Unterkofler K, Weikard R, et al. An explicit characterization of Calogero–Moser systems[J]. Transactions of the American Mathematical Society, 2006, 358(2): 603-656.
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Geng X, Xue B. Quasi-periodic solutions of mixed AKNS equations[J]. Nonlinear Analysis-theory Methods \u0026 Applications, 2010, 73(11): 3662-3674.
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Gesztesy F, Unterkofler K, Weikard R, et al. On a theorem of Halphen and its application to integrable systems[J]. Journal of Mathematical Analysis and Applications, 2000, 251(2): 504-526.