Blagojević, Pavle V. M., and Roman Karasev. “Extensions of Theorems of Rattray and Makeev”. Topological Methods in Nonlinear Analysis 40, no. 1 (April 23, 2012): 189–213. Accessed December 2, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.2012.028.