ChernobaiO. B. “On the Spectral Theory of Generalized Toeplitz Kernels”. Ukrains’kyi Matematychnyi Zhurnal 55, no. 6 (June 25, 2003): 850-857. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3959.