@article{107765, author = {Hana Lichardov\'a}, title = {Saddle connections in planar systems}, journal = {Archivum Mathematicum}, volume = {036}, year = {2000}, pages = {507-512}, zbl = {1090.34558}, mrnumber = {1822820}, language = {en}, url = {http://dml.mathdoc.fr/item/107765} }
Lichardová, Hana. Saddle connections in planar systems. Archivum Mathematicum, Tome 036 (2000) pp. 507-512. http://gdmltest.u-ga.fr/item/107765/
On bifurcation of limit cycles from centers, Lecture Notes in Math., 1991(1455), 20–43, 1991. (1991) | MR 1094376
Nonlinear Oscillations, Dynamical Systems and Bifurcations of Vector Fields, Springer Verlag, New York, Heidelberg, Berlin, 1983. (1983) | MR 0709768 | Zbl 0515.34001
Limit cycles in the equation of whirling pendulum with autonomous perturbation, Applications of Mathematics, 44(4) (1999), 271–288. (1999) | MR 1698769
Introduction to Applied Nonlinear Dynamical Systems and Chaos, Springer Verlag, New York, Heidelberg, Berlin, 1990. (1990) | MR 1056699 | Zbl 0701.58001