%0 Journal Article %A Ch. B. Morrey %T Partial regularity results for non-linear elliptic systems %J Matematika %D 1969 %P 50-71 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1969_13_3_a2/ %G ru %F MAT_1969_13_3_a2