Ebrahimzadeh, Abolfazl, and Ali Delbaznasab. “A Generalization of Notion Group As Dynamical Groups”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 20, no. 2, Feb. 2015, pp. 67-75, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3428.