Y. M. Berezansky and A. D. Pulemyotov, “Spectral theory and Wiener-Itô decomposition for the image of a Jacobi field”, Ukr. Mat. Zhurn., vol. 59, no. 6, pp. 744–763, Jun. 2007, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3342