Optimality conditions and duality in nonsmooth multiobjective programs. Kim, Do Sang; Lee, Hyo Jung — 2010 Journal of Inequalities and Applications [electronic only]
ϵ -optimal solutions in nonconvex semi-infinite programs with support functions. Kim, Do Sang; Son, Ta Quang — 2011 Fixed Point Theory and Applications [electronic only]
Efficiency and generalized convex duality for nondifferentiable multiobjective programs. Bae, Kwan Deok; Kang, Young Min; Kim, Do Sang — 2010 Journal of Inequalities and Applications [electronic only]
Optimality conditions in nondifferentiable G -invex multiobjective programming. Kim, Ho Jung; Seo, You Young; Kim, Do Sang — 2010 Journal of Inequalities and Applications [electronic only]
Common fixed points for nonexpansive and nonexpansive type fuzzy mappings. Lee, Byung Soo; Kim, Do Sang; Lee, Gue Myung; Cho, Sung Jin — 1995 International Journal of Mathematics and Mathematical Sciences