IzyumtsevaO. L., and DorogovtsevA. A. “Local Times of Self-Intersection”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 3 (March 25, 2016): 290-340. Accessed December 3, 2020. http://umj.imath.kiev.ua/index.php/umj/article/view/1841.