# 𝐻¹-Superconvergence of a difference finite element method based on the 𝑃₁-𝑃₁-conforming element on non-uniform meshes for the 3D Poisson equation

> Research article (Mathematics of Computation, 2017) · cited 17× · AI/ML

**Wikidata**: [openalex:W2741560340](https://www.wikidata.org/wiki/openalex:W2741560340)  
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