G. M. Sklyar and S. Y. Ignatovich, “Development of the Markov moment problem approach in the optimal control theory”, MFAT, vol. 13, no. 4, pp. 386–400, Dec. 2007, Accessed: Dec. 16, 2025. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/364