ОvsepyanK. H. (2017) “Type of some nuclear subalgebras of the Toeplitz algebra generated by the inverse subsemigroups of a bicyclic semigroup”, Ukrains’kyi Matematychnyi Zhurnal, 69(11), pp. 1551-1563. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1802 (Accessed: 3October2022).