Geometry & Topology Monographs Volume 11 (2007)

1	L E Dickson, A fundamental system of invariants of the general modular linear group with a solution of the form problem, Trans. Amer. Math. Soc. 12 (1911) 75–98 MR1500882
2	L Evens, The cohomology of groups, Oxford Mathematical Monographs, The Clarendon Press, Oxford University Press (1991) MR1144017
3	D J Green, Chern classes and the extraspecial p–group of order p⁵ and exponent p, Comm. Algebra 26 (1998) 181–196 MR1600710
4	D J Green, I J Leary, Chern classes and extraspecial groups, Manuscripta Math. 88 (1995) 73–84 MR1348791
5	D J Green, P A Minh, Transfer and Chern classes for extraspecial p–groups, from: "Group representations: cohomology, group actions and topology (Seattle, WA, 1996)", Proc. Sympos. Pure Math. 63, Amer. Math. Soc. (1998) 245–255 MR1603167
6	N H V Hưng, P A Minh, The action of the mod p Steenrod operations on the modular invariants of linear groups, Vietnam J. Math. 23 (1995) 39–56 MR1367491
7	I J Leary, The mod–p cohomology rings of some p–groups, Math. Proc. Cambridge Philos. Soc. 112 (1992) 63–75 MR1162933
8	P A Minh, Modular invariant theory and cohomology algebras of extra-special p–groups, Pacific J. Math. 124 (1986) 345–363 MR856168
9	P A Minh, Evens norm and restriction maps in mod–p cohomology of p–groups, Math. Proc. Cambridge Philos. Soc. 129 (2000) 253–262 MR1765913
10	H Mùi, Modular invariant theory and cohomology algebras of symmetric groups, J. Fac. Sci. Univ. Tokyo Sect. IA Math. 22 (1975) 319–369 MR0422451
11	T Okuyama, H Sasaki, Evens' norm map and Serre's theorem on the cohomology algebra of a p-group, Arch. Math. (Basel) 54 (1990) 331–339 MR1042125
12	D Quillen, The mod 2 cohomology rings of extra-special 2–groups and the spinor groups, Math. Ann. 194 (1971) 197–212 MR0290401
13	M Tezuka, N Yagita, The varieties of the mod p cohomology rings of extra special p–groups for an odd prime p, Math. Proc. Cambridge Philos. Soc. 94 (1983) 449–459 MR720796