RudenkoA. V. (2004) “Approximation of Densities of Absolutely Continuous Components of Measures in a Hilbert Space Using the Ornstein-Uhlenbeck Semigroup”, Ukrains’kyi Matematychnyi Zhurnal, 56(12), pp. 1654-1664. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3872 (Accessed: 22November2024).