%0 Journal Article %A J. M. Martell %A D. Mitrea %A I. Mitrea %A M. Mitrea %T Fatou-type theorems and boundary value problems for elliptic systems in the upper half-space %J Algebra i analiz %D 2019 %P 3-50 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2019_31_2_a0/ %G en %F AA_2019_31_2_a0