VD Rădulescu, C Vetro - Mathematical Methods in the Applied …, 2023 - Wiley Online Library
We consider the Navier problem− Δ k, p 2 u (x)= f (x, u (x),∇ u (x), Δ u (x)) in Ω, u∂ Ω= Δ u∂
Ω= 0,-Δ _ k, p^ 2u (x)= f\left (x, u (x), ∇ u (x), Δ u (x)\right)\kern0. 30em in\kern0. 5em …