%0 Journal Article
%A Antczak, Tadeusz
%T Saddle points criteria via a second order $\eta $-approximation approach for nonlinear mathematical programming involving second order invex functions
%J Kybernetika
%D 2011
%P 222-240
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_2011__47_2_a3/
%G en
%F KYB_2011__47_2_a3