The hardness and approximation of the star -hub center problem
| Year of publication: |
2013
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|---|---|
| Authors: | Liang, Hongyu |
| Published in: |
Operations research letters. - Amsterdam [u.a.] : Elsevier, ISSN 0167-6377, ZDB-ID 7207359. - Vol. 41.2013, 2, p. 138-141
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