[1]
Amaral, F. et al. 2010. Stability boundary characterization of nonlinear autonomous dynamical systems in the presence of a type-zero saddle-node equilibrium point. Trends in Computational and Applied Mathematics. 11, 2 (Jun. 2010), 111–120. DOI:https://doi.org/10.5540/tema.2010.011.02.0111.