On a generalization of the p-Center Problem

Improved algorithms for fault tolerant facility location

SODA '01 Proceedings of the twelfth annual ACM-SIAM symposium on Discrete algorithms

A constant factor approximation algorithm for the fault-tolerant facility location problem

Journal of Algorithms

k-Center problems with minimum coverage

Theoretical Computer Science

A memetic genetic algorithm for the vertex p-center problem

Evolutionary Computation