Lu, Jian Zhu The smoothness of nonuniform fractal interpolation functions and their Hölder exponents. (Chinese. English summary) Zbl 1495.28011 Math. Numer. Sin. 22, No. 2, 177-182 (2000). MSC: 28A80 Fractals 41A30 Approximation by other special function classes × Cite Format Result Cite Review PDF