1.
Gutik O, Popadiuk O. On the semigroup $\boldsymbol{B}_{\omega}^{\mathscr{F}_n}$, which is generated by the family $\mathscr{F}_n$ of finite bounded intervals of $\omega$. Carpathian Math. Publ. [Internet]. 2023 Aug. 9 [cited 2024 Nov. 22];15(2):331-55. Available from: https://vps.pnu.edu.ua/index.php/cmp/article/view/6214