Sajid Abed Ali R. Common Fixed Points and Invariant Best Approximations in 2-Banach Spaces. Acad. Sci. J. [Internet]. 2026 Apr. 30 [cited 2026 May 6];4(2):125-30. Available from: https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/732