Лужецький ВА, Горбенко ІС. METHODS OF ENCRYPTION BASED ON PERMUTATION UNITS WITH VARIABLE LENGTH. Zahist ìnf. [Internet]. 2015 Jun. 8 [cited 2026 Apr. 15];17(2):169-75. Available from: http://jrnl.nau.edu.ua/index.php/ZI/article/view/8794