The following publications are possibly variants of this publication:
- Second order symmetric duality in non-differentiable multiobjective programming with FX. M. Yang, X. Q. Yang, K. L. Teo, S. H. Hou. eor, 164(2):406-416, 2005. [doi]
- Mixed symmetric duality in non-differentiable multiobjective mathematical programmingS. K. Mishra, Shouyang Wang, Kin Keung Lai, F. M. Yang. eor, 181(1):1-9, 2007. [doi]
- Second-order symmetric duality in multiobjective programmingXin-Min Yang, Shui-Hung Hou. appml, 14(5):587-592, 2001. [doi]