A GLAZMAN–POVZNER–WIENHOLTZ THEOREM ON GRAPHS Статья Kostenko A., Malamud M., Nicolussi N. Advances in Mathematics. Academic Press Inc.. Том 395. 2022.
CHARACTERISTICS OF GUT MICROBIOTA IN AUTOIMMUNE DISEASES OF THE THYROID GLAND AND THE METHODS OF ITS CORRECTION Статья Sturov N., Popov S., Kostenko A., Roitberg G. Archiv Euromedica. European Scientific Society. Том 11. 2021. С. 82-85
THE CLASSICAL MOMENT PROBLEM AND GENERALIZED INDEFINITE STRINGS Статья Eckhardt J., Kostenko A. Integral Equations and Operator Theory. Springer Basel. Том 90. 2018.
SPECTRAL THEORY OF INFINITE QUANTUM GRAPHS Статья Exner P., Kostenko A., Malamud M., Neidhardt H. Annales Henri Poincare. Birkhauser Verlag AG. Том 19. 2018. С. 3457-3510
ON THE HAMILTONIAN–KREIN INDEX FOR A NON-SELF-ADJOINT SPECTRAL PROBLEM Статья Kostenko A., Nicolussi N. Proceedings of the American Mathematical Society. Том 146. 2018. С. 3907-3921