Search results for: X.M. Yang
European Journal of Operational Research > 2005 > 165 > 3 > 585-591
European Journal of Operational Research > 2005 > 164 > 2 > 406-416
Journal of Mathematical Analysis and Applications > 2004 > 289 > 1 > 100-109
European Journal of Operational Research > 2003 > 144 > 3 > 554-559