Proving the Equality of the Spaces Q_b^r (A),Q_b^l (A) and BL(X) where X is a Complex Banach Space. Iraqi Journal of Science [Internet]. 2020 Jan. 26 [cited 2025 Apr. 14];61(1):127-31. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1153