PavlovD. V. “On Proximity of Correlation Functions of Homogeneous and Isotropic Random Fields Whose Spectral Functions Coincide on a Certain Set”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 1 (January 25, 2001): 130-134. Accessed September 1, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4229.