%0 Journal Article %T Optimality Conditions for Approximate Solutions in Multiobjective Optimization Problems %A Ying Gao %A Xinmin Yang %A Heung Wing Joseph Lee %J Journal of Inequalities and Applications %D 2010 %I Springer %R 10.1155/2010/620928 %U http://dx.doi.org/10.1155/2010/620928