Degtyar', S. V., and V. M. Shurenkov. “Matrix Infinite-Dimensional Analog of the Wiener Theorem on Local Inversion of Fourier Transforms”. Ukrains’kyi Matematychnyi Zhurnal, vol. 47, no. 1, Jan. 1995, pp. 141-5, https://umj.imath.kiev.ua/index.php/umj/article/view/5397.