%0 Journal Article %A Chuaqui, Martin %A Duren, Peter %A Osgood, Brad %T On a theorem of Haimo regarding concave mappings %J Annales Universitatis Mariae Curie-Skłodowska. Mathematica %D 2011 %V 65 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUM_2011_65_2_a9/ %G en %F AUM_2011_65_2_a9