Kolesov, Yu.; Fedotov, N. On the problem of the origin of species. (Russian) Zbl 0498.92020 Differ. Uravn. Primen. 29, 41-50 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 92D40 Ecology Keywords:origin of species; stability of ecosystems; formation of species PDFBibTeX XMLCite \textit{Yu. Kolesov} and \textit{N. Fedotov}, Differ. Uravn. Primen. 29, 41--50 (1981; Zbl 0498.92020)