Knotted periodic orbits in van der Pol type equations. (English) Zbl 0938.37523
Perelló, C. (ed.) et al., International conference on differential equations. Vol. 1, 2. Proceedings of the conference, EQUADIFF 91, Barcelona, Spain, August 26-31, 1991. Singapore: World Scientific. 368-374 (1993).
For the entire collection see [Zbl 0863.00035].
MSC:
| 37J45 | Periodic, homoclinic and heteroclinic orbits; variational methods, degree-theoretic methods (MSC2010) |
| 34C25 | Periodic solutions to ordinary differential equations |
