%0 Journal Article %A Andrew Bremner %T Some simple elliptic surfaces of genus zero. %J Manuscripta mathematica %D 1991 %P 5-38 %V 73 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1991__73_1_155652/ %F MM2_1991__73_1_155652