%0 Journal Article %A Friedrich Sauvigny %T Apriori estimates of the principal curvatures for immersions of prescribed mean curvature and theorems of Bernstein-type. %J Mathematische Zeitschrift %D 1990 %P 567-582 %V 205 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1990__205_3_174195/ %F MZ_1990__205_3_174195