- L. A. Takhtajan, Important Developments in Soliton Theory, 1993, 441

- L. Faddeev, Fields and Particles, 1990, 89

- Yaozhong Qiu, “Weyl asymptotics for functional difference operators with power to quadratic exponential potential”, Proc. Amer. Math. Soc., 152, № 8, 2024, 3339

- Wenchao Zhang, Roman Yavich, Alexei Belov-Kanel, Farrokh Razavinia, Andrey Elishev, Jietai Yu, “Polynomial Automorphisms, Deformation Quantization and Some Applications on Noncommutative Algebras”, Mathematics, 10, № 22, 2022, 4214

- Anna Evgenievna Zernova, Alexei Andreevich Ilyin, Ari Arievich Laptev, Lukas Schimmer, “Собственные значения несамосопряженных функционально-разностных операторов”, Функциональный анализ и его приложения, 59, № 3, 2025, 49

- Anna Zernova, Alexei Ilyin, Ari Laptev, Lukas Schimmer, “Eigenvalues of Non-Selfadjoint Functional Difference Operators”, Funct Anal Its Appl, 59, № 3, 2025, 258
