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Journal of Global Optimization > 2008 > 40 > 1-3 > 197-208
Journal of Global Optimization > 2008 > 42 > 3 > 401-412
Journal of Optimization Theory and Applications > 2007 > 135 > 1 > 37-53
Journal of Optimization Theory and Applications > 2004 > 121 > 3 > 673-678
Journal of Optimization Theory and Applications > 2001 > 109 > 2 > 345-370