S. M. Zagorodnyuk, “A description of all solutions of the matrix Hamburger moment problem in a general case”, MFAT, vol. 16, no. 3, pp. 271–288, Sep. 2010, Accessed: Feb. 04, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/456