@article{1951-good ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1951/\allowbreak good}} ,author={Irving J. Good} ,ISSN={0305--0041} ,journal={Proceedings of the Cambridge Philosophical Society} ,MR={13,363e} ,pages={756--762} ,title={{Random motion on a finite abelian group}} ,volume={47} ,year={1951} }