%0 Journal Article %A Miebach, Christian %A Oeljeklaus, Karl %T On proper R-actions on hyperbolic Stein surfaces %J Documenta mathematica %D 2009 %P 673-689 %V 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a5/ %G en %F DOCMA_2009__14__a5