具积分边值条件奇异四阶耦合微分方程组正解的存在性
宋文晶, 李圆晓, 曹春玲, 冯由玲
Existence of Positive Solutions for Singular Fourth Order CoupledDifferential Equations with Integral Boundary Value Conditions
SONG Wenjing, LI Yuanxiao, CAO Chunling, FENG Youling
吉林大学学报(理学版)
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2017, (04): 845
-852
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