@article{AMBP_2001__8_1_93_0, author = {Mansilla, Ang\'elica and Saavedra, Mariana}, title = {The period function near a polycycle with two semi-hyperbolic vertices}, journal = {Annales math\'ematiques Blaise Pascal}, volume = {8}, year = {2001}, pages = {93-104}, mrnumber = {1863649}, zbl = {01690886}, language = {en}, url = {http://dml.mathdoc.fr/item/AMBP_2001__8_1_93_0} }
Mansilla, Angélica; Saavedra, Mariana. The period function near a polycycle with two semi-hyperbolic vertices. Annales mathématiques Blaise Pascal, Tome 8 (2001) pp. 93-104. http://gdmltest.u-ga.fr/item/AMBP_2001__8_1_93_0/
[A] Ordinary differential equations", R. A. Silverman, translator, MIT Press, 1978. | MR 508209 | Zbl 0296.34001
. "[C-D] Finiteness for critical periods of planar analytic vector fields", Nonlinear Anal. Theory, Methods Appl. 20, n° 4, (1993), 315-335. | MR 1206421 | Zbl 0773.34032
. "[M] Développement asymptotique de l'application retour d'un polycycle". Lectures Notes in Math., n° 1331 (1989). | MR 961097 | Zbl 0659.58009
. "[P] On the accumulation of limit cycles", Proc. Amer. Math. Soc., 99 (1987) 515-526. | MR 875391 | Zbl 0626.34022
. "[S] Développement asymptotique de la fonction période". Thesis Doctor's degree of the Bourgogne's University, 1995. | MR 1298283
. "[Sa] Développement asymptotique de la fonction période". C. R. Acad. Sci. Paris, t. 319, Série I, p. 563-566 (1994). | MR 1298283 | Zbl 0814.34038
. "