%0 Journal Article %A G.I. Jitomirskii %A M.S. Radjef %T Structure of the Optimal Solutions to a Problem with an Analytical Criterium (in French) %J Mathematica balkanica %D 1993 %P 191 %V 7 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1993_7_3-4_a1/ %F MABA_1993_7_3-4_a1