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APA4ort.xyz Knowledge Graph. (2026). Multiplicity results for<i>p</i>(<i>x</i>)-biharmonic equations with Navier boundary conditions. Retrieved May 24, 2026, from https://4ort.xyz/entity/multiplicity-results-for-i-p-i-i-x-i-biharmonic-equations-with-navier-boundary-conditions