Oliker, Vladimir I., and Nina N. Ural’tseva. “Long Time Behavior of Flows Moving by Mean Curvature, II”. Topological Methods in Nonlinear Analysis 9, no. 1 (March 1, 1997): 17–28. Accessed July 5, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.1997.002.