Edelsbrunner H, Pach J, Schwartz J, Sharir M. On the lower envelope of bivariate functions and its applications. In: 28th Annual Symposium on Foundations of Computer Science . IEEE; 1987:27-37. doi:10.1109/SFCS.1987.44
LibreCat: https://research-explorer.ista.ac.at/record/3514
DOI: 10.1109/SFCS.1987.44