%0 Journal Article
%A A. V. Arutyunov
%T Second-order conditions in extremal problems with finite-dimensional range. 2-normal maps
%J Izvestiya. Mathematics 
%D 1996
%P 39-65
%V 60
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1996_60_1_a1/
%G en
%F IM2_1996_60_1_a1