Fast Algorithms for Computing the Smallest k-Enclosing Circle.

Sariel Har-Peled Soham Mazumdar Fast Algorithms for Computing the Smallest k-Enclosing Circle. 147-157 2005 41 Algorithmica 3 http://dx.doi.org/10.1007/s00453-004-1123-0 db/journals/algorithmica/algorithmica41.html#Har-PeledM05