Ge, Zhihao; Yan, Jingjing Hopf bifurcation of a predator-prey system with stage structure and harvesting. (English) Zbl 1207.34106 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 2, 652-660 (2011). MSC: 34K60 92D25 34K18 34K13 34K19 PDFBibTeX XMLCite \textit{Z. Ge} and \textit{J. Yan}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 2, 652--660 (2011; Zbl 1207.34106) Full Text: DOI
Ahmed, N. U. Systems determined by nonlinear operator valued measures and controlled by vector measures: existence of optimal controls and necessary conditions of optimality. (English) Zbl 1238.49008 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, e-Suppl., e1094-e1099 (2009). MSC: 49J21 49K21 93C20 34G20 35K30 PDFBibTeX XMLCite \textit{N. U. Ahmed}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, e1094--e1099 (2009; Zbl 1238.49008) Full Text: DOI
Liu, Shengqiang; Chen, Lansun; Luo, Guilie Extinction and permanence in competitive stage structured system with time-delays. (English) Zbl 1021.34065 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 51, No. 8, 1347-1361 (2002). Reviewer: Marcos Lizana (Merida) MSC: 34K60 92D25 PDFBibTeX XMLCite \textit{S. Liu} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 51, No. 8, 1347--1361 (2002; Zbl 1021.34065) Full Text: DOI