Singularity theory for non-twist KAM tori /
A. Gonzalez-Enriquez, A. Haro, R. de la Llave.
- 1 online resource (128 pages) : illustrations.
- Memoirs of the American Mathematical Society, Volume 227, Number 1067 1947-6221 ; .
- Memoirs of the American Mathematical Society ; Volume 227, Number 1067. .