BondarevB. V., and ZhirnyiG. G. “Some Properties of Multiparameter Random Fields”. Ukrains’kyi Matematychnyi Zhurnal 47, no. 12 (December 25, 1995): 1609–1621. Accessed September 1, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5554.