%0 Journal Article %A Jela Šušić %T Extremums of vector-valued functions of several real variables %J Čebyševskij sbornik %D 2013 %P 119-134 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2013_14_1_a11/ %G ru %F CHEB_2013_14_1_a11