Aljoboury, Russl, and Iftichar Mudhar Al-Sharaa. “The W-Expansive With The Shadowing Property in G-Nonautonomous Discrete Dynamical Systems”. Journal of Kufa for Mathematics and Computer 10, no. 2 (August 31, 2023): 125–131. Accessed February 25, 2024. https://journal.uokufa.edu.iq/index.php/jkmc/article/view/13008.