Number of items: 2.
Luu, Do Van and Nguyen, Manh-Hung
(2004)
On necessary conditions for efficiency in directionally differentiable multiobjective optimization problems.
Nonlinear functional analysis and applications (12).
pp. 439-453.
Luu, Do Van and Nguyen, Manh-Hung
(2004)
Invexity of constraint maps in mathematical programs.
Nonlinear functional analysis and applications (9).
pp. 289-304.