Gubreev GM, Tarasenko AA. Unconditional basis property for some families of functions and continuous invertibility of Toeplitz operators with unimodular symbols. MFAT [Internet]. 2002 Mar. 25 [cited 2025 Dec. 18];8(1):30-5. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/174