Basak, Biplab, Raju Kumar Gupta, and Sourav Sarkar. “A Characterization of $g_2$-Minimal Normal 3-Pseudomanifolds With at Most Four Singularities”. Topological Methods in Nonlinear Analysis (September 21, 2024): 1–13. Accessed December 3, 2024. https://apcz.umk.pl/TMNA/article/view/55342.