1.
Smati A, Guesba M. On the classes of $n$-Nadir’s and $n^*$-Nadir’s operators on Hilbert spaces. Carpathian Math. Publ. [Internet]. 2025 Jun. 3 [cited 2025 Dec. 5];17(1):137-45. Available from: https://journals.pnu.edu.ua/index.php/cmp/article/view/7010