Il’chenko, S. A., and Yu. S. Mishura. “Generalized Two-Parameter Lebesgue-Stieltjes Integrals and Their Applications to Fractional Brownian Fields”. Ukrains’kyi Matematychnyi Zhurnal 56, no. 4 (April 25, 2004): 435–450. Accessed April 30, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3766.