Mahmoud, S. A. O. A. . (2021). NOTE ON (A,m)-ISOMETRIC OPERATORS IN SEMI-HILBERTIAN SPACES: NOTE ON (A,m)-ISOMETRIC OPERATORS IN SEMI-HILBERTIAN SPACES. WAS Science Nature (WASSN) ISSN: 2766-7715, 1(1). Retrieved from https://worldascience.com/journals/index.php/wassn/article/view/19