Abstract
It is proved that the elliptic problem -Δu=f(x,u) in Ω,u=0 on ∂Ωon a bounded domain Ω⊂RN with smooth boundary has two sign-changing solutions and one positive solution if f∈C1(Ω̄ ×R,R) satisfies μi
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APA
Liu, Z., & Sun, J. (2005). An elliptic problem with jumping nonlinearities. Nonlinear Analysis, Theory, Methods and Applications, 63(8), 1070–1082. https://doi.org/10.1016/j.na.2005.03.109
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