Latipov, H.; Sagatov, M. On the application of qualitative methods to certain problems of natural sciences. (English) Zbl 1159.34323 Proc. A. Razmadze Math. Inst. 130, 13-22 (2002). Summary: Certain differential equations modelling the dynamics of populations are investigated and some differential models from immunology are considered. MSC: 34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations 92D25 Population dynamics (general) PDFBibTeX XMLCite \textit{H. Latipov} and \textit{M. Sagatov}, Proc. A. Razmadze Math. Inst. 130, 13--22 (2002; Zbl 1159.34323)