1. Abramowitz M., Stegun I.(1970): Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. Dover, New York
2. Alexander J.C., Doedel E.J., Othmer H.G.(1990): On the resonance structure in a forced excitable system, SIAM J. Appl. Math. 50(5): 1373–1418
3. Alford, J.G.: Computation of Bifurcating Rotating Waves for the FitzHugh–Nagumo Equations On Circular Domains of One and Two Dimensions. Doctoral Thesis, University of Houston (2002)
4. Auchmuty J.F.G.(1979): Bifurcating waves. Ann. NY Acad. Sci. 316, 263–278
5. Auchmuty, J.F.G.: Bifurcation analysis of reaction-diffusion equations-V. Rotating waves on A disc in partial differential equations and Dynamical Systems. In: Fitzgibbon W.E. (ed.) Research Notes in Mathematics, 101, pp. 35–63, Pitman (1984)