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  1. 1
    Existence of nonoscillatory solutions of higher order nonlinear neutral difference equations with positive and negative coefficients and multiple variable delays(具正负系数和多变时滞的高阶非线性中立型差分方程非振动解的存在性)

    Existence of nonoscillatory solutions of higher order nonlinear neutral difference equations with positive and negative coefficients and multiple variable delays(具正负系数和多变时滞的高阶非线性中立... od ZHANGPing(张萍), QINGuijiang(覃桂茳), YANGJiashan(杨甲山)

    Wydane 2022-01-01
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  2. 2
    A Study on the spatial distribution of religious sites in Qinghai province and the impact on tourism(青海省宗教场所旅游资源的空间格局及影响因素研究)

    A Study on the spatial distribution of religious sites in Qinghai province and the impact on tourism(青海省宗教场所旅游资源的空间格局及影响因素研究) od ZHULitao(朱利涛), SUHuimin(苏惠敏), ZHANGPing(张萍), LIZhengwei(李政委)

    Wydane 2018-09-01
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