TY - JOUR AU - M. Akel AU - H. Begehr TI - Schwarz problem for first order elliptic systems in unbounded sectors JO - Eurasian mathematical journal PY - 2014 SP - 6 EP - 24 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2014_5_4_a0/ LA - en ID - EMJ_2014_5_4_a0 ER -