ЛУЖЕЦЬКИЙ, В. А.; ГОРБЕНКО, І. С. METHODS OF ENCRYPTION BASED ON PERMUTATION UNITS WITH VARIABLE LENGTH. Ukrainian Information Security Research Journal, [S. l.], v. 17, n. 2, p. 169–175, 2015. DOI: 10.18372/2410-7840.17.8794. Disponível em: http://jrnl.nau.edu.ua/index.php/ZI/article/view/8794. Acesso em: 15 apr. 2026.