Shen, Boqian; Liu, Deming Existence of limit cycles for a cubic Kolmogorov system with a hyperbolic solution. (English) Zbl 1024.34025 Northeast. Math. J. 16, No. 1, 91-95 (2000). MSC: 34C07 37C27 × Cite Format Result Cite Review PDF
Shen, Boqian; Liu, Deming A mathematical model of a class of autocatalytic chemical reaction. (English) Zbl 0967.34019 Ann. Differ. Equations 14, No. 2, 278-286 (1998). MSC: 34C05 34C60 × Cite Format Result Cite Review PDF