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.
Yasushi Kawase, Xin Han, Kazuhisa Makino. Unit Cost Buyback Problem. Theory Comput. Syst., 63(6):1185-1206, 2019. [doi]