@article{GDZPPN002036592, title = {Bilinear three-cycles on the projective line.}, journal = {Aequationes mathematicae}, volume = {33}, year = {1987}, pages = {72-80}, zbl = {0639.39011}, url = {http://dml.mathdoc.fr/item/GDZPPN002036592} }
Davison, T.M.K. Bilinear three-cycles on the projective line.. Aequationes mathematicae, Tome 33 (1987) pp. 72-80. http://gdmltest.u-ga.fr/item/GDZPPN002036592/