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Guo, Xiulan; Li, Guoquiang Finite difference method of first boundary problem of a generalized diffusion model in population. (English) Zbl 0910.92026 Chin. Q. J. Math. 12, No. 2, 52-60 (1997). MSC: 92D25 35K35 PDFBibTeX XMLCite \textit{X. Guo} and \textit{G. Li}, Chin. Q. J. Math. 12, No. 2, 52--60 (1997; Zbl 0910.92026)