# Fast Finite Difference Approximation for Identifying Parameters in a Two-dimensional Space-fractional Nonlocal Model with Variable Diffusivity Coefficients

> Research article (SIAM Journal on Numerical Analysis, 2016) · cited 52× · AI/ML

**Wikidata**: [openalex:W2302272192](https://www.wikidata.org/wiki/openalex:W2302272192)  
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