Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Guang Xu, Jinhui Xu. An improved approximation algorithm for uncapacitated facility location problem with penalties. J. Comb. Optim., 17(4):424-436, 2009. [doi]