Fiedler, Bernold; Liebscher, Stefan (2003). "Bifurcations without parameters; some ODE and PDE examples (arXiv preprint)". Proceedings of the ICM, Beijing 2000. Vol. 3. pp. 305–316. arXiv:math/0304453. Bibcode:2003math......4453F.
Fiedler, Bernold; Liebscher, Stefan (2003). "Bifurcations without parameters; some ODE and PDE examples (arXiv preprint)". Proceedings of the ICM, Beijing 2000. Vol. 3. pp. 305–316. arXiv:math/0304453. Bibcode:2003math......4453F.