%0 Journal Article %A V. I. Gurman %A M. M. Khrustalev %T Abnormality in the theory of necessary optimality conditions %J The Bulletin of Irkutsk State University. Series Mathematics %D 2017 %P 44-61 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2017_19_a3/ %G ru %F IIGUM_2017_19_a3