1. Cohomology of Finite Groups;Adem,2004
2. Geometric Methods in Degree Theory for Equivariant Maps;Balanov,1996
3. Topological Methods for Variational Problems with Symmetries;Bartsch,1993
4. Tetrahedra on deformed spheres and integral group cohomology;Blagojević;Electron. J. Combin.,2009