Corbera, Montserrat; Llibre, Jaume; Pérez-Chavela, Ernesto Symmetric periodic orbits near a heteroclinic loop formed by two singular points and their invariant manifolds of dimension 1 and 2. (English) Zbl 1151.37319 J. Phys. A, Math. Gen. 39, No. 50, 15313-15326 (2006). MSC: 37G25 70F10 34C25 37C27 78A35 PDFBibTeX XMLCite \textit{M. Corbera} et al., J. Phys. A, Math. Gen. 39, No. 50, 15313--15326 (2006; Zbl 1151.37319) Full Text: DOI Link
Diacu, Florin; Pérez-Chavela, Ernesto On the dynamics of the Langmuir problem. (English) Zbl 1168.70308 J. Phys. A, Math. Gen. 36, No. 34, 9053-9066 (2003). MSC: 70F10 81V45 PDFBibTeX XMLCite \textit{F. Diacu} and \textit{E. Pérez-Chavela}, J. Phys. A, Math. Gen. 36, No. 34, 9053--9066 (2003; Zbl 1168.70308) Full Text: DOI Link