We consider the nonlinear elliptic problem
View the MathML source−div(a(x,∇u))+a0(x,u)=μ,in Ω,u=0 on ∂Ω,
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where ΩΩ is an open (possibly unbounded) subset of RNRN, N≥2N≥2, μμ is a Radon measure with bounded variation in ΩΩ, and View the MathML source(u)↦−div(a(x,∇u))+a0(x,u) is a monotone operator acting in View the MathML sourceW01,p(Ω), 1