%0 Journal Article %A Ginchev, Ivan %A Guerraggio, Angelo %A Rocca, Matteo %T C1,1 vector optimization problems and Riemann derivatives %J Control and Cybernetics %D 2004 %P 259-273 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2004_33_2_a4/ %G en %F CC_2004_33_2_a4