A Necessary and Sufficient Condition for the Existence of Positive Solutions of Fourth Order Singular Superlinear Differential Equations
Zeng Qin ZHAO
Acta Mathematica Sinica, Chinese Series ›› 2007, Vol. 50 ›› Issue (6) : 1425-143.
A Necessary and Sufficient Condition for the Existence of Positive Solutions of Fourth Order Singular Superlinear Differential Equations
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