Edelsbrunner H, Letscher D, Zomorodian A. Topological persistance and simplification. In: Proceedings 41st Annual Symposium on Foundations of Computer Science. IEEE; 2000:454-463. doi:10.1109/SFCS.2000.892133
LibreCat: https://research-explorer.ista.ac.at/record/4008
DOI: 10.1109/SFCS.2000.892133