A simple geometrical condition for the existence of periodic solutions of planar periodic systems. Applications to some biological models
- Marvá, M.
- Alcázar, J.G.
- Poggiale, J.-C.
- Bravo de la Parra, R.
ISSN: 1096-0813, 0022-247X
Year of publication: 2015
Volume: 423
Issue: 2
Pages: 1469-1479
Type: Article