Osipchuk, M. M. “On a Transformation of the Wiener Process in $ℝ^m$ by a Functional of the Local Time Type on a Surface”. Ukrains’kyi Matematychnyi Zhurnal, vol. 45, no. 6, June 1993, pp. 863–866, https://umj.imath.kiev.ua/index.php/umj/article/view/5875.