Batyrova M, Zhazaibek A. Analysis of a 4-Bit Feedback Shift Register  f(x₁, x₂, x₃, x₄) = 1 ⊕ x₂(x₁ ∨ x₄): Article. JETC [Internet]. 2026 Mar. 31 [cited 2026 Apr. 29];4(1). Available from: https://jetc.sdu.edu.kz/index.php/jetc/article/view/143