Geodesic
On Sufficiency in Multiobjective Programming Involving Generalized (G, C, $ ho$)-type I Functions
Yugoslav journal of operations research, Tome 23 (2013) no. 2, p. 299 .

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In this paper, a new class of (G, C, $\rho$)-type I functions and their generalizations are introduced. We consider a class of differentiable multiobjective optimization problems and establish sufficient optimality conditions. The results of the paper are more general than those existing in the literature.
Classification : 90C46, 52A01
Keywords: Multiobjective programming, (G, C, $ ho$)-convexity, efficient solution, type I functions, generalized convexity. 
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     author = {Yadvendra Singh and Amod Kumar and B. B. Upadhyay and Vinay Singh},
     title = {On {Sufficiency} in {Multiobjective} {Programming} {Involving} {Generalized} {(G,} {C,} $
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Yadvendra Singh; Amod Kumar; B. B. Upadhyay; Vinay Singh. On Sufficiency in Multiobjective Programming Involving Generalized (G, C, $
ho$)-type I Functions. Yugoslav journal of operations research, Tome 23 (2013) no. 2, p. 299 . http://geodesic.mathdoc.fr/item/YJOR_2013_23_2_a11/