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@article{MAN_1971__194_162197, author = {Daniel QUILLEN}, title = {The {Mod} 2 {Cohomology} {Rings} of {Extra-special} 2-groups and the {Spinor} {Groups.}}, journal = {Mathematische Annalen}, pages = {197--212}, publisher = {mathdoc}, volume = {194}, year = {1971}, zbl = {0225.55015}, url = {http://geodesic.mathdoc.fr/item/MAN_1971__194_162197/} }
Daniel QUILLEN. The Mod 2 Cohomology Rings of Extra-special 2-groups and the Spinor Groups.. Mathematische Annalen, Tome 194 (1971), pp. 197-212. http://geodesic.mathdoc.fr/item/MAN_1971__194_162197/