Towards a PTAS for the generalized TSP in grid clusters
Keyword(s):
2011 ◽
Vol 74
(12-13)
◽
pp. 2228-2240
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2008 ◽
Vol 18
(11)
◽
pp. 1417-1422
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Keyword(s):
2007 ◽
Vol 103
(5)
◽
pp. 169-176
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