%0 Journal Article %A A. V. Arutyunov %T On the theory of abnormal extremal problems with a %J Doklady Akademii Nauk %D 1996 %P 295-298 %V 348 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_348_3_a0/ %G ru %F DAN_1996_348_3_a0