Mahmood Kamil Shihab. Generalization of Fuglede-Putnam Theorem to (p, q)−Quasiposinormal Operator and (p, q)− Co-posinormal Operator. Tikrit J. Pure Sci. [Internet]. 2023 Feb. 5 [cited 2025 Jun. 18];21(3):184-6. Available from: https://tjpsj.org/index.php/tjps/article/view/1014