Degtyar', S. V., and V. M. Shurenkov. 1995. “Matrix Infinite-Dimensional Analog of the Wiener Theorem on Local Inversion of Fourier Transforms”. Ukrains’kyi Matematychnyi Zhurnal 47 (1): 141-45. https://umj.imath.kiev.ua/index.php/umj/article/view/5397.