Messirdi S, Messirdi S, Messirdi B. Further results on Left and Right Generalized Drazin Invertible Operators. Mat. Stud. [Internet]. 2020Oct.6 [cited 2024Dec.26];54(1):98-106. Available from: http://matstud.org.ua/ojs/index.php/matstud/article/view/57