%0 Journal Article %A M. Akel %A H. Begehr %T Schwarz problem for first order elliptic systems in unbounded sectors %J Eurasian mathematical journal %D 2014 %P 6-24 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2014_5_4_a0/ %G en %F EMJ_2014_5_4_a0