Alon Efrat, Micha Sharir, Alon Ziv. Computing the Smallest K-enclosing Circle and Related Problems. Comput. Geom., 4:119-136, 1994.
@article{EfratSZ94, title = {Computing the Smallest K-enclosing Circle and Related Problems}, author = {Alon Efrat and Micha Sharir and Alon Ziv}, year = {1994}, researchr = {https://researchr.org/publication/EfratSZ94}, cites = {0}, citedby = {0}, journal = {Comput. Geom.}, volume = {4}, pages = {119-136}, }