%0 Journal Article %A T.M.K. Davison %T Bilinear three-cycles on the projective line. %J Aequationes mathematicae %D 1987 %P 72-80 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1987__33_137204/ %F AM2_1987__33_137204