%0 Journal Article %A A. V. Arutyunov %T Necessary Extremum Conditions and an Inverse Function Theorem without a~priori Normality Assumptions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2002 %P 33-44 %V 236 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2002_236_a4/ %G ru %F TM_2002_236_a4