1. Ward, M., The arithmetical theory of linear recurring sequences,Trans. Amr. Math. Soc., 1933. 35(6): 600.
2. Dai Zongduo, Huang Minqiang. A criterion for primitivenew of polynomials overZ mod2 d Chinese Science Bulletin. 1991. 36(11): 892.
3. Huang Minqiang, Dai Zongduo. Projective mps of linear recurring sequences with maxim1p-adic periods,Fibonacci Quart., 1992. 30(2): 139.
4. Dai Zongduo, Binary sequences derived from ML-sequences over rings I: periods and minimal polynomials,Journal of Cryptology. 1990. 5(2): 193.
5. Qi Wenfeng. Zhou Jinjun. Distribution of 0 and 1 in the highest level of primitive sequences over Z/(2e).Science in China, Ser. A. 1997, 40(6): 606.