1Klapper A, Goresky M. 2 -Adic Shift Registers[ C]//In Fast Software Encryption 1993, Lecture Notes in Computer Science 809, Springer - Verlag, Berlin, 1994.
2Klapper A, Xu J. Feedback with carry shift registers over Z/(N) [ C ]//In Proceedings of International Conference on Sequences and their Application (SETA), Singapore, December, 1998.
3Xu J. Stream Cipher Analysis Based on FCSRs[D]. University of Kentucky,2000.
4Klapper A, Goresky M. Algebraic Shift Registers[ Z/OL]. [2009- 10- 14]. http://www, cs. uky. edu./- klapper/algebraic. html.
