![](/img/cover-not-exists.png)
The entry-exit theorem and relaxation oscillations in slow-fast planar systems
Ai, Shangbing, Sadhu, SusmitaJournal:
Journal of Differential Equations
DOI:
10.1016/j.jde.2019.11.067
Date:
December, 2019
File:
PDF, 1.52 MB
2019