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Existence and multiplicity of solutions for an elliptic system with nonlinear boundary

https://www.univ-soukahras.dz/ar/publication/article/5296

Sameh TAMRABET, Ali Djellit and Brahim ABDELMALEK (2025) Existence and multiplicity of solutions for an elliptic system with nonlinear boundary. Bol. Soc. Paran. Mat , 43((3s.) v.), 1-8

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