SZÉKELYHIDI, L.; VAJDAY, L. Spectral Analysis and Moment Functions. Journal of Informatics and Mathematical Sciences, [S. l.], v. 4, n. 2, p. 185–188, 2012. DOI: 10.26713/jims.v4i2.81. Disponível em: http://www.rgnpublications.com/journals/index.php/jims/article/view/81. Acesso em: 17 may. 2022.