@inproceedings{kca21twodisks,
  title = {Intersecting Disks using Two Congruent Disks},
  author = {Byeonguk Kang and Jongmin Choi and Hee-Kap Ahn},
 booktitle="Proceedings of 32nd International Workshop on Combinatorial Algorithms",
year="2021",
pages="400--413",
}