MalyarenkoA.A., and OlenkoA.Ya. “Many-Dimensional Covariant Random Fields on the Commutative Locally Compact Groups”. Ukrains’kyi Matematychnyi Zhurnal 44, no. 11 (November 6, 1992): 1505-1510. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8252.