%0 Journal Article %A Doležal, Jaroslav %T A note on necessary conditions in mathematical programming %J Kybernetika %D 1981 %P 555-560 %V 17 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1981__17_6_a7/ %G en %F KYB_1981__17_6_a7