Abornev A. V. «Nonlinear permutations of a vector space recursively generated over a galois ring of characteristic 4» // Applied Discrete Mathematics 2014. №7 (Приложение) C.40-41
Abornev A. V. «Nonlinear permutations of a vector space recursively generated over a galois ring of characteristic 4» // 2014. №7 C.40-41