@article{GDZPPN00206801X, title = {On the ring of invariants of F*2n.}, journal = {Commentarii mathematici Helvetici}, volume = {66}, year = {1991}, pages = {322-332}, url = {http://dml.mathdoc.fr/item/GDZPPN00206801X} }
Campbell, H.E.A.; Hughes, I. On the ring of invariants of F*2n.. Commentarii mathematici Helvetici, Tome 66 (1991) pp. 322-332. http://gdmltest.u-ga.fr/item/GDZPPN00206801X/