Antoniouk, A. Val., and A. Vict. Antoniouk. “Regularity of Nonlinear Flows on Noncompact Riemannian Manifolds: Differential Geometry Versus Stochastic Geometry or What Kind of Variations Is Natural?”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 8 (August 25, 2006): 1011–1034. Accessed April 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3511.