CHEREMNIKH, E.; IVASYK, H.; ALIEKSIEIEV, V.; KUCHMA, M.; BRODYAK, O. Construction of spectral decomposition for non-self-adjoint friedrichs model operator. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 4, n. 4 (94), p. 6–18, 2018. DOI: 10.15587/1729-4061.2018.140717. Disponível em: https://journals.uran.ua/eejet/article/view/140717. Acesso em: 23 dec. 2024.