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An ODE approach to the existence of positive solutions for semilinear problems in \(R^ n\). (English) Zbl 0522.35036

MSC:
35J60 Nonlinear elliptic equations
34B15 Nonlinear boundary value problems for ordinary differential equations
35A05 General existence and uniqueness theorems (PDE) (MSC2000)
35A35 Theoretical approximation in context of PDEs
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