Hopf bifurcation at infinity for planar vector fields
Begoña Alarcón Víctor Guíñez; Carlos Teobaldo Gutierrez Vidalon
Discrete and Continuous Dynamical Systems Springfield : AIMS v. 17, n. 2, p. 247-258, Feb. 2007Springfield 2007
Available at ICMC - Inst. Ciên. Mat. Computação (PROD-2897803 )(GetIt)