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Acta Mathematica Sinica, English Series > 2018 > 34 > 5 > 911-920
Journal of Combinatorial Optimization > 2013 > 25 > 4 > 639-645
Journal of Combinatorial Optimization > 2003 > 7 > 1 > 79-86
Journal of Computational and Applied Mathematics > 2002 > 144 > 1-2 > 349-358