[1]
Rizgar H. Salih, Mohammad S. Hasso and Surma H. Ibrahim 2020. Centre Bifurcations for a Three Dimensional System with Quadratic Terms. Zanco Journal of Pure and Applied Sciences. 32, 2 (Apr. 2020), 62–71. DOI:https://doi.org/10.21271/ZJPAS.32.2.7.