@article{1996-bernstein-3x1conjmap
,note={URL: {\tt http://cr.yp.to/papers.html}}
,author={Daniel J. Bernstein and Jeffery C. Lagarias}
,ISSN={0008--414X}
,journal={Canadian Journal of Mathematics}
,pages={1154--1169}
,title={{The $3x+1$ conjugacy map}}
,volume={48}
,year={1996}
}