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.
Satoru Hashizume, Masao Fukushima, Naoki Katoh, Toshihide Ibaraki. Approximation algorithms for combinatorial fractional programming problems. Math. Program., 37(3):255-267, 1987. [doi]
Abstract is missing.