BerezovskyN. I. and LinchukS. S. (1993) “On the commutant of a multiplication operator and conditions of invertibility of its elements”, Ukrains’kyi Matematychnyi Zhurnal, 45(1), pp. 21–25. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5777 (Accessed: 24November2024).