%0 Journal Article %A Friedrich Tomi %A Jaime Ripoll %T Maximum Principles for Minimal surfaces in R3 Having noncompact boundary and a uniqueness theorem for the helicoid. %J Manuscripta mathematica %D 1995 %P 417-434 %V 87 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156097/ %F MM2_1995__87_4_156097