@article{10_4153_CJM_1996_060_x,
     author = {Bernstein, Daniel J. and Lagarias, Jeffrey C.},
     title = {The 3x + 1 {Conjugacy} {Map}},
     journal = {Canadian journal of mathematics},
     pages = {1154--1169},
     year = {1996},
     volume = {48},
     number = {6},
     doi = {10.4153/CJM-1996-060-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-060-x/}
}