BerezanskyY. M., & PulemyotovA. D. (2007). Spectral theory and Wiener-Itô decomposition for the image of a Jacobi field. Ukrains’kyi Matematychnyi Zhurnal, 59(6), 744–763. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/3342