Cheng H, Edelsbrunner H. Area and perimeter derivatives of a union of disks. In: Computer Science in Perspective: Essays Dedicated to Thomas Ottmann. Vol 2598. Springer; 2003:88-97. doi:10.1007/3-540-36477-3_7
LibreCat: https://research-explorer.ista.ac.at/record/3991
DOI: 10.1007/3-540-36477-3_7