Dudkin, M. E. “The Complex Moment Problem in the Exponential Form With Direct and Inverse Spectral Problems for the Block Jacobi Type Correspondence Matrices”. Methods of Functional Analysis and Topology 18, no. 2 (June 25, 2012): 111–139. Accessed December 16, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/509.