Fenille, Marcio Colombo. “Strategies to Annihilate Coincidences of Maps from Two-Complexes into the Circle”. Topological Methods in Nonlinear Analysis 60, no. 1 (August 31, 2022): 327–342. Accessed July 22, 2024. https://apcz.umk.pl/TMNA/article/view/39779.