@inProceedings{Liu2006, author = "F. Liu and P. Zhuang and V. Anh and I. Turner", title = "A fractional-order implicit difference approximation for the space-time fractional diffusion equation", series = "ANZIAM J.", volume = "47", pages = "C48--C68", year = 2006, booktitle = "Proceedings of the 7th Biennial Engineering Mathematics and Applications Conference, EMAC-2005", editor = "Andrew Stacey and Bill Blyth and John Shepherd and A. J. Roberts", month = jun, note = "\protect \url {http://anziamj.austms.org.au/V47EMAC2005/Liu} [June 26, 2006]", keywords = "Random walk, fractional derivatives, probability density, stability, convergence.", }