Left and Right Regular Elements of Some Subsemigroups of the Linear Transformations Semigroups with Invariant Subspace. Eur. J. Pure Appl. Math. [Internet]. 2025 Jan. 31 [cited 2025 Jul. 14];18(1):5623. Available from: https://www.ejpam.com/index.php/ejpam/article/view/5623