* {{cite book |last1=Dodson |first1=M. Maurice |title=Fractal Geometry and Applications: A Jubilee of Benoît Mandelbrot |volume=72 |issue=1 |pages=305–347 |last2=Kristensen |first2=Simon |chapter=Hausdorff Dimension and Diophantine Approximation |date=June 12, 2003 |arxiv=math/0305399 |bibcode = 2003math......5399D |doi=10.1090/pspum/072.1/2112110|series=Proceedings of Symposia in Pure Mathematics |isbn=9780821836378 }} | * {{cite book |last1=Dodson |first1=M. Maurice |title=Fractal Geometry and Applications: A Jubilee of Benoît Mandelbrot |volume=72 |issue=1 |pages=305–347 |last2=Kristensen |first2=Simon |chapter=Hausdorff Dimension and Diophantine Approximation |date=June 12, 2003 |arxiv=math/0305399 |bibcode = 2003math......5399D |doi=10.1090/pspum/072.1/2112110|series=Proceedings of Symposia in Pure Mathematics |isbn=9780821836378 }} |