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