Ryzhov, Y. M. “On the Calculation of the Confidence Relation for a Gaussian Stochastic Process Satisfying Some Linear Differential Equations”. Ukrains’kyi Matematychnyi Zhurnal 18, no. 1 (January 29, 1966): 124–129. Accessed April 7, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/8663.