ZATORSKY, R.A.; SEMENCHUK, A.V. Calculation algorithm of rational estimations of recurrence periodical fourth order fraction. Carpathian Mathematical Publications, [S. l.], v. 6, n. 1, p. 32–43, 2014. DOI: 10.15330/cmp.6.1.32-43. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/1332. Acesso em: 12 apr. 2024.