- Alexander I. Aptekarev, Rostyslav Kozhan, “Differential equations for the recurrence coefficients limits for multiple orthogonal polynomials from a Nevai class”, Journal of Approximation Theory, 255, 2020, 105409

- Sergey A. Denisov, Maxim L. Yattselev, “Spectral theory of Jacobi matrices on trees whose coefficients are generated by multiple orthogonality”, Advances in Mathematics, 396, 2022, 108114

- A. I. Aptekarev, “Weak and Strong Asymptotics of Orthogonal Polynomials with Varying Weight”, J Math Sci, 278, № 2, 2024, 211

- Alexander I. Aptekarev, Sergey A. Denisov, Maxim L. Yattselev, 12, Extended Abstracts Fall 2019, 2021, 17

- Aleksey Kostenko, Mark Malamud, Noema Nicolussi, “A Glazman–Povzner–Wienholtz theorem on graphs”, Advances in Mathematics, 395, 2022, 108158

- Alexander Ivanovich Aptekarev, Rostyslav Kozhan, “Differential equations for the radial limits in Z<sub>+</sub><sup>2</sup>
of the solutions of a discrete integrable system”, KIAM Prepr., № 214-e, 2018, 1

- Grzegorz Świderski, Walter Van Assche, “Christoffel functions for multiple orthogonal polynomials”, Journal of Approximation Theory, 283, 2022, 105820

- Alexander Aptekarev, Alexander Dyachenko, Vladimir Lysov, “On Perfectness of Systems of Weights Satisfying Pearson’s Equation with Nonstandard Parameters”, Axioms, 12, № 1, 2023, 89

- Amílcar Branquinho, Ana Foulquié-Moreno, Manuel Mañas, “Spectral theory for bounded banded matrices with positive bidiagonal factorization and mixed multiple orthogonal polynomials”, Advances in Mathematics, 434, 2023, 109313

- A. I. Aptekarev, V. G. Lysov, “Multilevel interpolation for Nikishin systems and boundedness of Jacobi matrices on binary trees”, Russ. Math. Surv., 76, № 4, 2021, 726
