@article{GDZPPN002236109, title = {Conway's Group CO3 and the Dickson Invariants.}, journal = {Manuscripta mathematica}, volume = {83}, year = {1994}, pages = {177-194}, zbl = {0853.55018}, url = {http://dml.mathdoc.fr/item/GDZPPN002236109} }
Benson, Dave. Conway's Group CO3 and the Dickson Invariants.. Manuscripta mathematica, Tome 83 (1994) pp. 177-194. http://gdmltest.u-ga.fr/item/GDZPPN002236109/