SAVCHUK, M. M.; BURLAKA, M. K. Encoding and classification of permutations b? special conversion with estimates of class power. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, [S. l.], n. 2, p. 36–43, 2019. DOI: 10.17721/1812-5409.2019/2.3. Disponível em: https://bphm.knu.ua/bphm/article/view/90. Acesso em: 23 oct. 2026.