Eljazzar R, Rossafi M, Klilou M. Some properties of K-Operator Frame in Hilbert $C^{\ast}$-modules. JMSK [Internet]. 2022May15 [cited 2024Dec.4];18(3):407-22. Available from: http://118754.2bdvi7ajx.asia/index.php/jmsk/article/view/20459