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. 2019 Mar 14;267(3):1859–1898. doi: 10.1016/j.jde.2019.03.005

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Fig. 2.2 — The phase portraits of system (2.3) with a unique positive equilibrium: (a) an attracting saddle-node for A = 2, m = −5, p = 2, q = 1, n = 8; (b) a repelling saddle-node for A = 2, m = −5, p = 2, q = 3, n = 7; (c) a cusp of codimension two for $A = 2, m = - 5, p = 2, q = \frac{5}{3}, n = \frac{23}{3}$ .