Fig. 4From: Astrophysics: Dynamical SystemsDistribution of periodic orbits of various multiplicities in the potential \( V=\frac{1}{2}\left({\omega}_1^2{x}_1^2+{\omega}_2^2{x}_2^2\right)-\upepsilon {x}_1{x}_2^2 \) with ω 1 2 = 1.6, ω 2 2 = 0.9, ε = 0.3Back to chapter page