%0 Journal Article %A Jaroš, Jaroslav %T On the unique solvability of semi-linear elliptic systems %J Mathematica slovaca %D 1997 %P 291-301 %V 47 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1997__47_3_a6/ %G en %F MASLO_1997__47_3_a6