Sn-Equivariant Symmetry-Breaking bifurcations. - Toby Elmhirst (Int. J. Bifurc. Chaos, 2004)

Nilpotent Hopf Bifurcations in Coupled Cell Systems. - Toby Elmhirst; Martin Golubitsky (SIAM J. Appl. Dyn. Syst., 2006)