OROSZ, Gábor. HOPF BIFURCATION CALCULATIONS IN DELAYED SYSTEMS. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 48, n. 2, p. 189–200, 2004. Disponível em: https://pp.bme.hu/me/article/view/1370. Acesso em: 6 apr. 2025.