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[期刊论文] 作者：Xingqiu ZHANG,
来源：数学研究及应用：英文版 年份：2013
In this paper, existence of multiple positive solutions for fractional differential equations in Banach spaces is obtained by utilizing the fixed point index th...
Positive solutions for a second-order nonlinear impulsive singular integro-differential equation wit
[期刊论文] 作者：Xingqiu ZHANG,
来源：数学研究及应用：英文版 年份：2012
The existence of positive solutions to a boundary value problem of second-order impulsive singular integro-differential equation with integral boundary conditio...
Positive Solutions for a Second-Order Nonlinear Impulsive Singular Integro-Differential Equation wit
[期刊论文] 作者：Xingqiu ZHANG,
来源：黑龙江科技学院学报 年份：2012
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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