IVASYK, H. V. Spectral decomposition for some transport operator. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 1, n. 4(55), p. 10–13, 2012. DOI: 10.15587/1729-4061.2012.3328. Disponível em: https://journals.uran.ua/eejet/article/view/3328. Acesso em: 19 may. 2024.