Phase portraits of quadratic polynomial vector fields having a rational first integral of degree 3
Jaume Llibre Regilene Delazari dos Santos Oliveira
Nonlinear Analysis: Theory, Methods & Applications Amsterdam : Elsevier v. 70, n. 10, p. 3549-3560, 15 May 2009
Amsterdam 2009
Localização:
ICMC - Inst. Ciên. Mat. Computação
(PROD-1788565 )(Acessar)