BondarenkoV. G. “Logarithmic Derivatives of Diffusion Measures in a Hilbert Space”. Ukrains’kyi Matematychnyi Zhurnal 52, no. 4 (April 25, 2000): 537-543. Accessed October 6, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4443.