Ryan Hayward. A Note on the Circle Containment Problem. Discrete & Computational Geometry, 4:263-264, 1989.
@article{Hayward89,
title = {A Note on the Circle Containment Problem},
author = {Ryan Hayward},
year = {1989},
researchr = {https://researchr.org/publication/Hayward89},
cites = {0},
citedby = {0},
journal = {Discrete & Computational Geometry},
volume = {4},
pages = {263-264},
}