1. Cormen, T.H., Leiserson, C.E., Rivest, R.L., Stein, C.: Introduction to Algorithms, 3rd edn. MIT Press, Cambridge, MA (2009)
2. Deng, G.-T., He, X.-G., Wen, Z.-X.: Self-similar structure on intersections of triadic Cantor sets. J. Math. Anal. Appl. 337(1), 617–631 (2008)
3. Deng, G.-T., Liu, C.: Self-similarity of unions of Cantor sets. J. Math. 31(5), 847–852 (2011)
4. Falconer, K.: Fractal Geometry. Mathematical Foundations and Applications. John Wiley & Sons Ltd., Chichester (1990)
5. Feng, D.-J., Hua, S., Ji, Y.: When is the union of two unit intervals a self-similar set satisfying the open set condition? Monatsh. Math. 152(2), 125–134 (2007)