%0 Journal Article %A Ginchev, Ivan %T l-stable Functions and Constrained Optimization %J Mathematics and Education in Mathematics %D 2010 %P 129-134 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MEM_2010_39_1_a9/ %G en %F MEM_2010_39_1_a9