%0 Journal Article %A Coray, Daniel F. %T Arithmetic on singular cubic surfaces %J Compositio Mathematica %D 1976 %P 55-67 %V 33 %N 1 %I Noordhoff International Publishing %U http://www.numdam.org/item/CM_1976__33_1_55_0/ %G en %F CM_1976__33_1_55_0